US4026053A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic illuminating calendar
Assignee: Individual
•
Filing: 1975-12-11
•
Granted: 1977-05-31
•
Expires: 1995-12-11
Abstract
Abstract An automatic calendar is comprised of a film strip having the month dates of an entire year displayed in the sequential frames thereof, each frame also having a pictorial illustration or the like and the film strip being advanced at twenty-four hour intervals beyond a window in the front of the calendar housing and illuminated from behind so that the pictorial image and month date are projected through the window, there being additional film strips to display the name of the month and the day of the week through respective additional windows, and a fourth film strip is provided which is manually adjustable to display the year date.
Inventors
- 👤 Carl E. Canon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 20:00
CPC Classifications
G; G09; G09F; G09F11/00; G09F11/24; G09F11/29; G09D; G09D3/00; G09D3/12
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
169 words
An automatic calendar comprising: (a) a housing having a front panel with a window defined therein; (b) a first film strip having consecutive frames indicating sequentially the month dates of the year and each frame including an illustration; (c) guide means holding a portion of said film strip behind said front panel adjacent said window; (d) means for automatically advancing said film strip through said guide means every twenty-four hours to expose a sequential frame of said film through said window; (e) a second window disposed in said front panel; (f) a second film strip having consecutive frames displaying in order the names of the months of the year and means mounted in said housing for supporting said second film strip adjacent said second window and permitting said second film strip to be advanced to display sequential months through said window; and (g) means on said first film strip to advance said second film strip when said first film strip reaches the last day of each month displayed thereon.
Claim 2
Dependent Claim
169 words
An automatic calendar comprising: (a) a housing having a front panel with a window defined therein; (b) a first film strip having consecutive frames indicating sequentially the month dates of the year and each frame including an illustration; (c) guide means holding a portion of said film strip behind said front panel adjacent said window; (d) means for automatically advancing said film strip through said guide means every twenty-four hours to expose a sequential frame of said film through said window; (e) a second window disposed in said front panel; (f) a second film strip having consecutive frames displaying in order the names of the months of the year and means mounted in said housing for supporting said second film strip adjacent said second window and permitting said second film strip to be advanced to display sequential months through said window; and (g) means on said first film strip to advance said second film strip when said first film strip reaches the last day of each month displayed thereon.
Claim 3
Dependent Claim
92 words
Structure according to claim 1 wherein said guide means includes a lead roller provided with a rigid coaxially mounted spur gear, and said advancing means comprises a clock motor having a partial gear engaging and rotating said spur gear every twenty-four hours, said partial gear having indicia thereon depicting at least in part the numerals of a twenty-four hour clock face, and further including pointer means fixed in said housing and sequentially registering with said numerals as said partial gear rotates to enable the use of said calendar to initially set same.
Claim 4
Dependent Claim
64 words
Structure according to claim 1 and including an opening on the end of said first film strip representing the end of the year, and further including a switch having a toggle element biased against said first film strip such that upon said opening reaching said toggle element, same is released to trigger said switch to de-energize said calendar at the end of the year.
Claim 5
Dependent Claim
93 words
Structure according to claim 1 wherein said second film strip comprises a continuous band and said means for supporting same comprises a pair of spaced reels, at least one of said reels having a toothed sprocket coaxially mounted thereto and said means to advance said second film strip comprises a plurality of perforated racks laterally extending from said first film strip and spaced thereon to engage said toothed sprocket to rotate same at the end of every month to display the name of the next month in sequence on said second film strip.
References Cited (Backward Citations)
US302640A
Cited
US2791850A
Cited
US2097148A
Cited
US2170408A
Cited
US2215552A
Cited
US2458092A
Cited
US2837294A
Cited
US2900749A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1980-05-30 | 1980-11-29 | 1981-05-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1984-05-30 | 1984-11-29 | 1985-05-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1988-05-30 | 1988-11-29 | 1989-05-31 | $7700.00 | Window Closed / Lapsed |