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US796983A
Expired / Lapsed
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Bellows-valve for pneumatic instruments.
Assignee: Individual
•
Filing: 1903-03-18
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Granted: 1905-08-15
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Expires: 1923-03-18
Abstract
No abstract record available.
Inventors
- 👤 George W Bemis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 15:30
CPC Classifications
G; G10; G10F; G10F1/00; G10F1/02; F; F16; F16K; F16K15/00; F16K15/14; F16K15/1402; F16K15/144; F16K15/1441; Y; Y10; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7837; Y10T137/7838; Y10T137/7839; Y10T137/784; Y10T137/7859; Y10T137/7879; Y10T137/7887
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) | 1908-08-14 | 1909-02-13 | 1909-08-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1912-08-14 | 1913-02-13 | 1913-08-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1916-08-14 | 1917-02-13 | 1917-08-15 | $7700.00 | Window Closed / Lapsed |