US2769974A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Indicator lamp housing
Assignee: Individual
•
Filing: 1956-01-24
•
Granted: 1956-11-06
•
Expires: 1976-01-24
Abstract
No abstract record available.
Inventors
- 👤 Marvin F Hayes
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 19:56
CPC Classifications
F; F21; F21V; F21V19/00; F21V19/04; F21V21/00; F21V21/08; H; H01; H01H; H01H9/00; H01H9/16; H01H9/161; H01H9/162; F21W; F21W2111/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1191278A
Cited
US1650595A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-11-06 | 1960-05-07 | 1960-11-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-11-06 | 1964-05-07 | 1964-11-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-11-06 | 1968-05-07 | 1968-11-06 | $7700.00 | Window Closed / Lapsed |