US1037531A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lock.
Assignee: Individual
•
Filing: 1910-09-21
•
Granted: 1912-09-03
•
Expires: 1930-09-21
Abstract
No abstract record available.
Inventors
- 👤 William A Ratcliff
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 03:25
CPC Classifications
E; E05; E05B; E05B39/00; E05B39/04; Y; Y10; Y10S; Y10S70/00; Y10S70/59; Y10T; Y10T70/00; Y10T70/80; Y10T70/8027; Y10T70/8135
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1915-09-03 | 1916-03-04 | 1916-09-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1919-09-03 | 1920-03-04 | 1920-09-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1923-09-03 | 1924-03-04 | 1924-09-03 | $7700.00 | Window Closed / Lapsed |