Patent US1674221A successfully refreshed from Google Patents.
US1674221A
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US
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Window fastener
Assignee: Individual
•
Filing: 1926-12-27
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Granted: 1928-06-19
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Expires: 1946-12-27
Abstract
No abstract record available.
Inventors
- 👤 Preen Thomas Abraham
- 👤 Preen Thomas Alexander
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 10:11
CPC Classifications
E; E05; E05D; E05D13/00; E05D13/04; E05D13/06; E05Y; E05Y2900/00; E05Y2900/10; E05Y2900/13; E05Y2900/148; Y; Y10; Y10T; Y10T292/00; Y10T292/08; Y10T292/096; Y10T292/0961; Y10T292/0962; Y10T292/0968; Y10T292/1014; Y10T292/1022; Y10T292/1028
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) | 1931-06-19 | 1931-12-19 | 1932-06-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1935-06-19 | 1935-12-19 | 1936-06-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1939-06-19 | 1939-12-19 | 1940-06-19 | $7700.00 | Window Closed / Lapsed |