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Patent US961959A successfully refreshed from Google Patents.
US961959A
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US
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Attachment for gas-fixtures.
Assignee: Individual
•
Filing: 1910-01-08
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Granted: 1910-06-21
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Expires: 1930-01-08
Abstract
No abstract record available.
Inventors
- 👤 Ursula K Herfurth
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 19:04
CPC Classifications
F; F16; F16K; F16K35/00; F16K35/10; Y; Y10; Y10T; Y10T137/00; Y10T137/6851; Y10T137/7043; Y10T137/7062; Y10T292/00; Y10T292/48; Y10T292/509; Y10T70/00; Y10T70/50; Y10T70/5611; Y10T70/5615; Y10T70/5619; Y10T70/5624; Y10T70/5628
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) | 1913-06-20 | 1913-12-20 | 1914-06-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1917-06-20 | 1917-12-20 | 1918-06-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1921-06-20 | 1921-12-20 | 1922-06-21 | $7700.00 | Window Closed / Lapsed |