Patent US3242602A successfully refreshed from Google Patents.
US3242602A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Perpetual calendar
Assignee: Individual
•
Filing: 1963-04-22
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Granted: 1966-03-29
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Expires: 1983-04-22
Abstract
No abstract record available.
Inventors
- 👤 Robert K Stern
- 👤 Maurice N Stern
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 23:00
CPC Classifications
G; G09; G09D; G09D3/00; G09D3/04; G09D3/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
157 words
A PERPETUAL CALENDER COMPRISING: A SUPPORTING STRUCTURE; A DAY-OF-THE-WEEK INDICATOR ON SAID STRUCTURE AND COMPRISING SEVEN LINEARLY-ARRANGED REGIONS EACH INDICATIVE OF A DIFFERENT DAY OF THE WEEK; A MONTH INDICATOR ON SAID STRUCTURE COMPRISING A ROLLER HAVING A PLURALITY OF ROWS AND AT LEAST SEVEN COLUMNS OF REGIONS EACH INDICATIVE OF AT LEAST ONE MONTH OF THE YEAR, SAID COLUMNS THEREOF BEING DISPOSED CIRCUMFERENTIALLY AND SAID ROWS AXIALLY OF SAID ROLLER, SAID ROLLER BEING ROTATABLE ABOUT ITS AXIS AND SLIDABLE ALONG ITS AXIS WITH RESPECT TO SAID STRUCTURE, SAID COLUMNS THEREOF BEING SO DISPOSED AS TO PERMIT SIMULTANEOUS ALIGNMENT OF ANY ADJACENT SEVEN OF SAID COLUMNS WITH SAID SEVEN REGIONS OF SAID DAY-OF-THEWEEK INDICATOR; AND A YEAR INDICATOR ON SAID STRUCTURE COMPRISING AT LEAST SEVEN REGIONS EACH INDICATIVE OF A DIFFERENT YEAR, SAID LAST-NAMED REGIONS BEING DISPOSED TO PERMIT ALIGNMENT THEREOF SIMULTANEOUSLY WITH SAID COLUMNS OF SAID MONTH INDICATOR AND WITH SAID REGIONS OF SAID DAY-OF-THE-WEEK INDICATOR.
Claim 2
Dependent Claim
157 words
A PERPETUAL CALENDER COMPRISING: A SUPPORTING STRUCTURE; A DAY-OF-THE-WEEK INDICATOR ON SAID STRUCTURE AND COMPRISING SEVEN LINEARLY-ARRANGED REGIONS EACH INDICATIVE OF A DIFFERENT DAY OF THE WEEK; A MONTH INDICATOR ON SAID STRUCTURE COMPRISING A ROLLER HAVING A PLURALITY OF ROWS AND AT LEAST SEVEN COLUMNS OF REGIONS EACH INDICATIVE OF AT LEAST ONE MONTH OF THE YEAR, SAID COLUMNS THEREOF BEING DISPOSED CIRCUMFERENTIALLY AND SAID ROWS AXIALLY OF SAID ROLLER, SAID ROLLER BEING ROTATABLE ABOUT ITS AXIS AND SLIDABLE ALONG ITS AXIS WITH RESPECT TO SAID STRUCTURE, SAID COLUMNS THEREOF BEING SO DISPOSED AS TO PERMIT SIMULTANEOUS ALIGNMENT OF ANY ADJACENT SEVEN OF SAID COLUMNS WITH SAID SEVEN REGIONS OF SAID DAY-OF-THEWEEK INDICATOR; AND A YEAR INDICATOR ON SAID STRUCTURE COMPRISING AT LEAST SEVEN REGIONS EACH INDICATIVE OF A DIFFERENT YEAR, SAID LAST-NAMED REGIONS BEING DISPOSED TO PERMIT ALIGNMENT THEREOF SIMULTANEOUSLY WITH SAID COLUMNS OF SAID MONTH INDICATOR AND WITH SAID REGIONS OF SAID DAY-OF-THE-WEEK INDICATOR.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-03-28 | 1969-09-27 | 1970-03-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-03-28 | 1973-09-27 | 1974-03-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-03-28 | 1977-09-27 | 1978-03-29 | $7700.00 | Window Closed / Lapsed |