US207832A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Improvement in gas-regulators
Assignee: —
•
Filing: —
•
Granted: 1878-09-10
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Expires: 1895-09-10
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 04:38
CPC Classifications
G; G05; G05D; G05D16/00; G05D16/04; G05D16/06; G05D16/063; G05D16/0644; G05D16/0655; Y; Y10; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7781; Y10T137/7793; Y10T137/7822; Y10T137/7823; Y10T137/7825
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) | 1881-09-09 | 1882-03-11 | 1882-09-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1885-09-09 | 1886-03-11 | 1886-09-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1889-09-09 | 1890-03-11 | 1890-09-10 | $7700.00 | Window Closed / Lapsed |