Patent US686087A successfully refreshed from Google Patents.
US686087A
Expired / Lapsed
US
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Air-motor.
Assignee: PAUL A FUSZ
•
Filing: 1901-02-25
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Granted: 1901-11-05
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Expires: 1921-02-25
Abstract
No abstract record available.
Inventors
- 👤 John Klein
- 👤 John N Shannon
- 👤 Frank Foshee
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-10 01:38
CPC Classifications
F; F15; F15B; F15B13/00; F15B13/02; F15B13/021; F15B2211/00; F15B2211/30; F15B2211/305; F15B2211/30525
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) | 1904-11-04 | 1905-05-06 | 1905-11-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1908-11-04 | 1909-05-06 | 1909-11-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1912-11-04 | 1913-05-06 | 1913-11-05 | $7700.00 | Window Closed / Lapsed |