Patent US1737730A successfully refreshed from Google Patents.
US1737730A
Expired / Lapsed
US
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Fastening device
Assignee: Hercules Products
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Filing: 1928-07-06
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Granted: 1929-12-03
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Expires: 1948-07-06
Abstract
No abstract record available.
Inventors
- 👤 Reidhaar Frank Paul
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 14:28
CPC Classifications
B; B62; B62D; B62D33/00; B62D33/02; B62D33/0207; Y; Y10; Y10T; Y10T292/00; Y10T292/08; Y10T292/0911; Y10T292/0945; Y10T292/0951; Y10T292/0956; Y10T74/00; Y10T74/20; Y10T74/20576; Y10T74/20636; Y10T74/20666; Y10T74/21; Y10T74/2142; Y10T74/2159
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) | 1932-12-02 | 1933-06-03 | 1933-12-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1936-12-02 | 1937-06-03 | 1937-12-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1940-12-02 | 1941-06-03 | 1941-12-03 | $7700.00 | Window Closed / Lapsed |