Patent US686061A successfully refreshed from Google Patents.
US686061A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Air-pump connection.
Assignee: Individual
•
Filing: 1901-01-26
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Granted: 1901-11-05
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Expires: 1921-01-26
Abstract
No abstract record available.
Inventors
- 👤 Samuel E Hart
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 12:18
CPC Classifications
F; F16; F16L; F16L33/00; F16L33/20; F16L33/207; F16L33/2071; F16L33/2073; F16L33/2076
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 |