US2773141A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ignition element
Assignee: Individual
•
Filing: 1953-12-24
•
Granted: 1956-12-04
•
Expires: 1973-12-24
Abstract
No abstract record available.
Inventors
- 👤 Stephen C Baker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 18:48
CPC Classifications
F; F02; F02P; F02P5/00; F02P5/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE171818C
Cited
US2127957A
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US2634343A
Cited
US1064176A
Cited
US1899965A
Cited
US1952321A
Cited
US2129953A
Cited
US2387961A
Cited
US2569991A
Cited
US2572105A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-12-04 | 1960-06-04 | 1960-12-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-12-04 | 1964-06-04 | 1964-12-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-12-04 | 1968-06-04 | 1968-12-04 | $7700.00 | Window Closed / Lapsed |