Patent US1875640A successfully refreshed from Google Patents.
US736684A
Expired / Lapsed
US
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Assignee: Individual
•
Filing: 1902-08-04
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Granted: 1903-08-18
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Expires: 1922-08-04
Abstract
No abstract record available.
Inventors
- 👤 John J Cain
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 19:35
CPC Classifications
B; B21; B21D; B21D53/00; B21D53/02; B21D53/08; B21D53/085; Y; Y10; Y10T; Y10T29/00; Y10T29/53; Y10T29/53113; Y10T29/53122; Y10T29/53709; Y10T29/53717; Y10T29/53722
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) | 1906-08-17 | 1907-02-16 | 1907-08-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1910-08-17 | 1911-02-16 | 1911-08-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1914-08-17 | 1915-02-16 | 1915-08-18 | $7700.00 | Window Closed / Lapsed |