Patent US709830A successfully refreshed from Google Patents.
US709830A
Expired / Lapsed
US
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Gas-blowpipe.
Assignee: SNOW DENTAL Co
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Filing: 1900-07-27
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Granted: 1902-09-23
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Expires: 1920-07-27
Abstract
No abstract record available.
Inventors
- 👤 George B Snow
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 18:10
CPC Classifications
F; F16; F16K; F16K7/00; F16K7/02; F16K7/04; F16K7/06; F16L; F16L37/00; F16L37/56; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/87153; Y10T137/87161; Y10T137/87571; Y10T137/87587; Y10T137/87619
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) | 1905-09-22 | 1906-03-24 | 1906-09-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1909-09-22 | 1910-03-24 | 1910-09-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1913-09-22 | 1914-03-24 | 1914-09-23 | $7700.00 | Window Closed / Lapsed |