US1954061A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Device for grooving safety glass
Assignee: DUPLATE Corp
•
Filing: 1932-10-19
•
Granted: 1934-04-10
•
Expires: 1952-10-19
Abstract
No abstract record available.
Inventors
- 👤 Charles E Smith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 22:04
CPC Classifications
B; B26; B26F; B26F3/00; B26F3/06; H; H05; H05B; H05B3/00; H05B3/02; Y; Y10; Y10T; Y10T156/00; Y10T156/19; Y10T156/1978
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 |