Patent US1925236A successfully refreshed from Google Patents.
US1925236A
Expired / Lapsed
US
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Pneumatic stamping machine
Assignee: Associated Electric Laboratories Inc
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Filing: 1928-09-17
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Granted: 1933-09-05
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Expires: 1948-09-17
Abstract
No abstract record available.
Inventors
- 👤 Frederick W Doyle
- 👤 John C Rogers
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 22:32
CPC Classifications
B; B44; B44B; B44B5/00; B44B5/0061; B44B5/0052; F; F16; F16P; F16P3/00; F16P3/18; F16P3/22
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) | 1936-09-04 | 1937-03-06 | 1937-09-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1940-09-04 | 1941-03-06 | 1941-09-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1944-09-04 | 1945-03-06 | 1945-09-05 | $7700.00 | Window Closed / Lapsed |