US1731508A
Expired / Lapsed
US
⏱️ 0.0 years remaining
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Assignee: Individual
•
Filing: 1928-02-15
•
Granted: 1929-10-15
•
Expires: 1948-02-15
Abstract
No abstract record available.
Inventors
- 👤 George H Sterling
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 20:31
CPC Classifications
E; E05; E05B; E05B67/00; E05B67/06; E05B67/28; Y; Y10; Y10T; Y10T70/00; Y10T70/40; Y10T70/402; Y10T70/409; Y10T70/413; Y10T70/437; Y10T70/446; Y10T70/452; Y10T70/457; Y10T70/487; Y10T70/489
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) | 1932-10-14 | 1933-04-15 | 1933-10-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1936-10-14 | 1937-04-15 | 1937-10-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1940-10-14 | 1941-04-15 | 1941-10-15 | $7700.00 | Window Closed / Lapsed |