Patent US1656237A successfully refreshed from Google Patents.
US1656237A
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US
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Assignee: ELLIOTT Co OF PITTSBURGH
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Filing: 1925-06-24
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Granted: 1928-01-17
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Expires: 1945-06-24
Abstract
No abstract record available.
Inventors
- 👤 James P Rodgers
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 18:13
CPC Classifications
A; A46; A46B; A46B13/00; A46B13/02; A46B13/008; A46B9/00; A46B9/08; A46B9/10
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) | 1931-01-16 | 1931-07-18 | 1932-01-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1935-01-16 | 1935-07-18 | 1936-01-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1939-01-16 | 1939-07-18 | 1940-01-17 | $7700.00 | Window Closed / Lapsed |