Patent US3667247A successfully refreshed from Google Patents.
Patent US2915057A successfully refreshed from Google Patents.
US2915057A
Expired / Lapsed
US
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Physical conditioning machine
Assignee: Individual
•
Filing: 1956-03-01
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Granted: 1959-12-01
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Expires: 1976-03-01
Abstract
No abstract record available.
Inventors
- 👤 Edward R Ammon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 16:03
CPC Classifications
A; A61; A61H; A61H23/00; A61H23/02; A61H23/0254; A61H2201/00; A61H2201/12; A61H2201/1207; A61H2201/1215; A61H2201/16; A61H2201/1602; A61H2201/1604; A61H2201/1607; A61H2201/1623; A61H2201/164; A61H2201/1642
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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Cited
US978760A
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US1628269A
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US1529872A
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US1684459A
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US1915841A
Cited
US2036677A
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US2284445A
Cited
US2660999A
Cited
US2787262A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-11-30 | 1963-06-01 | 1963-12-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-11-30 | 1967-06-01 | 1967-12-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-11-30 | 1971-06-01 | 1971-12-01 | $7700.00 | Window Closed / Lapsed |