Patent US3133412A successfully refreshed from Google Patents.
Patent US3535508A successfully refreshed from Google Patents.
US3535508A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Clamp mounted lamp
Assignee: BARTON R WARSHAUER
•
Filing: 1967-10-09
•
Granted: 1970-10-20
•
Expires: 1987-10-09
Abstract
No abstract record available.
Inventors
- 👤 Barton R Warshauer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 20:58
CPC Classifications
F; F21; F21S; F21S6/00; F21S6/002; F21S6/003; F21S8/00; Y; Y10; Y10T; Y10T24/00; Y10T24/44; Y10T24/44265
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US980580A
Cited
US1963477A
Cited
US1930993A
Cited
US2185164A
Cited
FR1001510A
Cited
US2604352A
Cited
US3239184A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-10-19 | 1974-04-20 | 1974-10-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-10-19 | 1978-04-20 | 1978-10-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-10-19 | 1982-04-20 | 1982-10-20 | $7700.00 | Window Closed / Lapsed |