US1814646A
Expired / Lapsed
US
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Assignee: Individual
•
Filing: 1930-08-25
•
Granted: 1931-07-14
•
Expires: 1950-08-25
Abstract
No abstract record available.
Inventors
- 👤 George R Terrill
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 09:14
CPC Classifications
E; E05; E05B; E05B67/00; E05B67/36; Y; Y10; Y10T; Y10T70/00; Y10T70/30; Y10T70/333; Y10T70/342; Y10T70/35; Y10T70/358; Y10T70/392; Y10T70/50; Y10T70/5093; Y10T70/5155; Y10T70/5199; Y10T70/5246; Y10T70/5296; Y10T70/5345
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) | 1934-07-13 | 1935-01-12 | 1935-07-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1938-07-13 | 1939-01-12 | 1939-07-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1942-07-13 | 1943-01-12 | 1943-07-14 | $7700.00 | Window Closed / Lapsed |