Patent US1674714A successfully refreshed from Google Patents.
US1674714A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Reenforcement for safes, strong rooms, and the like
Assignee: CHATWOOD SAFE Co Ltd
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Filing: 1927-01-27
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Granted: 1928-06-26
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Expires: 1947-01-27
Abstract
No abstract record available.
Inventors
- 👤 Bruckshaw Herbert Stanley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 17:22
CPC Classifications
E; E05; E05G; E05G1/00; E05G1/02; E05G1/024
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) | 1931-06-26 | 1931-12-26 | 1932-06-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1935-06-26 | 1935-12-26 | 1936-06-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1939-06-26 | 1939-12-26 | 1940-06-26 | $7700.00 | Window Closed / Lapsed |