Patent US699281A successfully refreshed from Google Patents.
US699281A
Expired / Lapsed
US
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Antifluctuating device for gas service-pipes.
Assignee: Individual
•
Filing: 1901-05-03
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Granted: 1902-05-06
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Expires: 1921-05-03
Abstract
No abstract record available.
Inventors
- 👤 Robert N Baylis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 07:42
CPC Classifications
C; C01; C01B; C01B3/00; C01B3/0005; Y; Y02; Y02E; Y02E60/00; Y02E60/30; Y02E60/32; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/86187; Y10T137/86228
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) | 1905-05-05 | 1905-11-04 | 1906-05-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1909-05-05 | 1909-11-04 | 1910-05-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1913-05-05 | 1913-11-04 | 1914-05-06 | $7700.00 | Window Closed / Lapsed |