US2843778A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Light bulb
Assignee: Motors Liquidation Co
•
Filing: 1952-12-22
•
Granted: 1958-07-15
•
Expires: 1972-12-22
Abstract
No abstract record available.
Inventors
- 👤 Robert N Falge
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 10:42
CPC Classifications
H; H01; H01K; H01K1/00; H01K1/28; H01K9/00; H01K9/08
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1269510A
Cited
US1156967A
Cited
US1274217A
Cited
US1239371A
Cited
US1693672A
Cited
US1929111A
Cited
US1913196A
Cited
US1998187A
Cited
US2245793A
Cited
US2158561A
Cited
US2214472A
Cited
US2441823A
Cited
US2441824A
Cited
US2644100A
Cited
US2490776A
Cited
US2488751A
Cited
US2716714A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-07-14 | 1962-01-13 | 1962-07-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-07-14 | 1966-01-13 | 1966-07-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-07-14 | 1970-01-13 | 1970-07-15 | $7700.00 | Window Closed / Lapsed |