US2883520A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Light unit for vehicles
Assignee: PENNSYLVANIA FURNACE AND IRON
•
Filing: 1957-01-14
•
Granted: 1959-04-21
•
Expires: 1977-01-14
Abstract
No abstract record available.
Inventors
- 👤 Curtis F Sasserson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 17:55
CPC Classifications
F; F21; F21V; F21V23/00; F21V23/06; F21S; F21S43/00; F21S43/10; F21S43/19; F21S43/195
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1555749A
Cited
US2034432A
Cited
US2663753A
Cited
US2688688A
Cited
US2708266A
Cited
US2700726A
Cited
US2774051A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-04-20 | 1962-10-20 | 1963-04-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-04-20 | 1966-10-20 | 1967-04-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-04-20 | 1970-10-20 | 1971-04-21 | $7700.00 | Window Closed / Lapsed |