US1954756A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Detachable light and clamp therefor
Assignee: KIDSTON
•
Filing: 1933-02-14
•
Granted: 1934-04-10
•
Expires: 1953-02-14
Abstract
No abstract record available.
Inventors
- 👤 Rudolph M Kidston
- 👤 Malcolm F Cummings
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 01:04
CPC Classifications
F; F21; F21S; F21S6/00; F21S6/001; F21S4/00; F21S4/10; F21V; F21V21/00; F21V21/08; F21V21/088; F21V17/00; F21V17/007; F21V21/14; F21V21/30; F21W; F21W2121/00; Y; Y10; Y10S; Y10S362/00; Y10S362/806; Y10S362/81; Y10T; Y10T24/00; Y10T24/34; Y10T24/3427; Y10T24/3428; Y10T24/3437
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1937-04-09 | 1937-10-09 | 1938-04-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1941-04-09 | 1941-10-09 | 1942-04-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1945-04-09 | 1945-10-09 | 1946-04-10 | $7700.00 | Window Closed / Lapsed |