US1723007A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Door-bolt fixture
Assignee: National Manufacturing Co
•
Filing: 1927-06-16
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Granted: 1929-08-06
•
Expires: 1947-06-16
Abstract
No abstract record available.
Inventors
- 👤 Louis A Bittorf
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 17:13
CPC Classifications
E; E05; E05C; E05C1/00; E05C1/02; E05C1/04; E05B; E05B17/00; E05B17/20; E05B17/2007; E05B17/2069; E05B17/2073; E05B17/2076; Y; Y10; Y10S; Y10S292/00; Y10S292/15; Y10T; Y10T292/00; Y10T292/08; Y10T292/0863
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) | 1932-08-05 | 1933-02-04 | 1933-08-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1936-08-05 | 1937-02-04 | 1937-08-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1940-08-05 | 1941-02-04 | 1941-08-06 | $7700.00 | Window Closed / Lapsed |