US779316A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic thaw-out for water-pipes.
Assignee: JOHN P HUDSON
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Filing: 1904-10-10
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Granted: 1905-01-03
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Expires: 1924-10-10
Abstract
No abstract record available.
Inventors
- 👤 William J Robinson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 14:51
CPC Classifications
F; F16; F16L; F16L53/00; F16L53/30; F16L53/32; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/86292; Y10T137/86324; Y10T137/86332; Y10T137/86348; Y10T137/86372
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) | 1908-01-03 | 1908-07-04 | 1909-01-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1912-01-03 | 1912-07-04 | 1913-01-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1916-01-03 | 1916-07-04 | 1917-01-03 | $7700.00 | Window Closed / Lapsed |