US1513432A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Shut-out device and the like
Assignee: Sargent Manufacturing Co
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Filing: 1921-01-10
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Granted: 1924-10-28
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Expires: 1941-01-10
Abstract
No abstract record available.
Inventors
- 👤 John H Shaw
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 13:33
CPC Classifications
E; E05; E05B; E05B17/00; E05B17/14; E05B17/16; Y; Y10; Y10T; Y10T70/00; Y10T70/70; Y10T70/7441; Y10T70/7915; Y10T70/7955; Y10T70/7977; Y10T70/7983
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) | 1927-10-28 | 1928-04-28 | 1928-10-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1931-10-28 | 1932-04-28 | 1932-10-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1935-10-28 | 1936-04-28 | 1936-10-28 | $7700.00 | Window Closed / Lapsed |