US2931853A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Armored insulator
Assignee: Dare Products Inc
•
Filing: 1956-11-13
•
Granted: 1960-04-05
•
Expires: 1976-11-13
Abstract
No abstract record available.
Inventors
- 👤 Robert M Wilson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 14:20
CPC Classifications
H; H01; H01B; H01B17/00; H01B17/14; H01B17/145; F; F16; F16B; F16B45/00; F16B45/02; F16B45/033
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US294384A
Cited
US527317A
Cited
US1902438A
Cited
GB430596A
Cited
GB469745A
Cited
US2286635A
Cited
GB610053A
Cited
US2459380A
Cited
US2515603A
Cited
US2593130A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-04-05 | 1963-10-05 | 1964-04-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-04-05 | 1967-10-05 | 1968-04-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-04-05 | 1971-10-05 | 1972-04-05 | $7700.00 | Window Closed / Lapsed |