Patent US3118994A successfully refreshed from Google Patents.
US3118994A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Continuously adjustable ignition type time delay switch
Assignee: Individual
•
Filing: 1961-07-31
•
Granted: 1964-01-21
•
Expires: 1981-07-31
Abstract
No abstract record available.
Inventors
- 👤 Kabik Irving
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 05:03
CPC Classifications
H; H01; H01H; H01H39/00; H01H39/004; F; F42; F42C; F42C19/00; F42C19/06; H01H37/00; H01H37/74; H01H37/76
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
134 words
A TIME DELAY SWITCH COMPRISING; AN ELONGATED METALLIC CASING, COMBUSTIBLE MEANS HAVING A KNOWN RATE OF BURNING FORMING A DELAY TRAIN DISPOSED WITHIN SAID CASING, MEANS CARRIED BY SAID CASING FOR IGNITING SAID COMBUSTIBLE MEANS AT ONE END PORTION THEREOF, ELECTRICAL CONTACT MEANS BIASED TOWARD THE CASING FOR SELECTIVELY ESTABLISHING AN ELECTRICAL PATH THERETO, MELTABLE HEAT RESPONSIVE MEANS NORMALLY PREVENTING SAID CONTACT MEANS FROM ESTABLISHING SAID ELECTRICAL PATH UNTIL THE HEAT RESPONSIVE MEANS IS MELTED, SAID HEAT RESPONSIVE MEANS BEING IN CONTACT WITH THE CASING AND SETTABLE TO DIFFERENT POSITIONS ALONG THE CASING RELATIVE TO SAID DELAY TRAIN WHEREBY, SAID ELECTRICAL CONTACT MEANS ESTABLISHES AN ELECTRICAL PATH TO THE CASING WHEN SAID DELAY TRAIN HAS BURNED FOR A PRESELECTED PERIOD OF TIME AND THEREBY HEATED THE CASING SUFFICIENTLY TO MELT SAID HEAT RESPONSIVE MEANS.
Claim 2
Dependent Claim
134 words
A TIME DELAY SWITCH COMPRISING; AN ELONGATED METALLIC CASING, COMBUSTIBLE MEANS HAVING A KNOWN RATE OF BURNING FORMING A DELAY TRAIN DISPOSED WITHIN SAID CASING, MEANS CARRIED BY SAID CASING FOR IGNITING SAID COMBUSTIBLE MEANS AT ONE END PORTION THEREOF, ELECTRICAL CONTACT MEANS BIASED TOWARD THE CASING FOR SELECTIVELY ESTABLISHING AN ELECTRICAL PATH THERETO, MELTABLE HEAT RESPONSIVE MEANS NORMALLY PREVENTING SAID CONTACT MEANS FROM ESTABLISHING SAID ELECTRICAL PATH UNTIL THE HEAT RESPONSIVE MEANS IS MELTED, SAID HEAT RESPONSIVE MEANS BEING IN CONTACT WITH THE CASING AND SETTABLE TO DIFFERENT POSITIONS ALONG THE CASING RELATIVE TO SAID DELAY TRAIN WHEREBY, SAID ELECTRICAL CONTACT MEANS ESTABLISHES AN ELECTRICAL PATH TO THE CASING WHEN SAID DELAY TRAIN HAS BURNED FOR A PRESELECTED PERIOD OF TIME AND THEREBY HEATED THE CASING SUFFICIENTLY TO MELT SAID HEAT RESPONSIVE MEANS.
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) | 1967-01-20 | 1967-07-22 | 1968-01-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-01-20 | 1971-07-22 | 1972-01-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-01-20 | 1975-07-22 | 1976-01-21 | $7700.00 | Window Closed / Lapsed |