Patent US1726850A successfully refreshed from Google Patents.
US1726850A
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US
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Window fastener
Assignee: C E STANTON
•
Filing: 1928-02-28
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Granted: 1929-09-03
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Expires: 1948-02-28
Abstract
No abstract record available.
Inventors
- 👤 Mccomas Mark
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 14:40
CPC Classifications
E; E05; E05C; E05C17/00; E05C17/02; E05C17/04; E05C17/12; E05C17/24; E05C17/28; Y; Y10; Y10T; Y10T292/00; Y10T292/28; Y10T292/2935; Y10T292/296
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) | 1932-09-02 | 1933-03-04 | 1933-09-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1936-09-02 | 1937-03-04 | 1937-09-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1940-09-02 | 1941-03-04 | 1941-09-03 | $7700.00 | Window Closed / Lapsed |