Patent US1692387A successfully refreshed from Google Patents.
US1692387A
Expired / Lapsed
US
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Machine for making flexible pads
Assignee: Individual
•
Filing: 1927-03-09
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Granted: 1928-11-20
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Expires: 1947-03-09
Abstract
No abstract record available.
Inventors
- 👤 Otto G Schmitt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 08:35
CPC Classifications
A; A61; A61F; A61F13/00; A61F13/06; A61F13/063; Y; Y10; Y10T; Y10T156/00; Y10T156/12; Y10T156/125; Y10T156/17; Y10T156/1702; Y10T156/1712; Y10T156/1734; Y10T29/00; Y10T29/51; Y10T29/5197
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) | 1931-11-20 | 1932-05-21 | 1932-11-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1935-11-20 | 1936-05-21 | 1936-11-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1939-11-20 | 1940-05-21 | 1940-11-20 | $7700.00 | Window Closed / Lapsed |