Patent US2565763A successfully refreshed from Google Patents.
US2565763A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Headlight lens attachment
Assignee: Bristol Steel & Iron Works Inc
•
Filing: 1949-11-02
•
Granted: 1951-08-28
•
Expires: 1969-11-02
Abstract
No abstract record available.
Inventors
- 👤 Robert O Ferguson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 18:08
CPC Classifications
H; H01; H01K; H01K1/00; H01K1/28; H01K1/30; F; F21; F21S; F21S41/00; F21S41/20; F21S41/285
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1537909A
Cited
GB380676A
Cited
US2113829A
Cited
US2064501A
Cited
US2120836A
Cited
US2287052A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-08-27 | 1955-02-26 | 1955-08-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-08-27 | 1959-02-26 | 1959-08-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-08-27 | 1963-02-26 | 1963-08-28 | $7700.00 | Window Closed / Lapsed |