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Patent US1744988A successfully refreshed from Google Patents.
US1744988A
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Assignee: Sargent Manufacturing Co
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Filing: 1922-03-03
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Granted: 1930-01-28
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Expires: 1942-03-03
Abstract
No abstract record available.
Inventors
- 👤 John H Shaw
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 20:18
CPC Classifications
E; E05; E05B; E05B17/00; E05B17/20; E05B17/2084; E05B17/2088; Y; Y10; Y10S; Y10S292/00; Y10S292/51; Y10T; Y10T70/00; Y10T70/50; Y10T70/5093; Y10T70/5155; Y10T70/5199; Y10T70/5204; Y10T70/5208; Y10T70/5212
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) | 1933-01-27 | 1933-07-29 | 1934-01-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1937-01-27 | 1937-07-29 | 1938-01-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1941-01-27 | 1941-07-29 | 1942-01-28 | $7700.00 | Window Closed / Lapsed |