US1490988A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Combined padlock and doorbolt
Assignee: Individual
•
Filing: 1923-02-17
•
Granted: 1924-04-22
•
Expires: 1943-02-17
Abstract
No abstract record available.
Inventors
- 👤 Harry E Soref
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 10:08
CPC Classifications
E; E05; E05C; E05C1/00; E05C1/02; E05C1/04; E05B; E05B67/00; E05B67/38; E05B67/383; Y; Y10; Y10T; Y10T70/00; Y10T70/30; Y10T70/333; Y10T70/342; Y10T70/375; Y10T70/40; Y10T70/413; Y10T70/437; Y10T70/439; Y10T70/487; Y10T70/491
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) | 1927-04-22 | 1927-10-22 | 1928-04-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1931-04-22 | 1931-10-22 | 1932-04-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1935-04-22 | 1935-10-22 | 1936-04-22 | $7700.00 | Window Closed / Lapsed |