Patent US1059907A successfully refreshed from Google Patents.
US1059907A
Expired / Lapsed
US
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Double drainage and vent fitting.
Assignee: Individual
•
Filing: 1912-06-13
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Granted: 1913-04-22
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Expires: 1932-06-13
Abstract
No abstract record available.
Inventors
- 👤 Charles S C Rock
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 14:50
CPC Classifications
E; E03; E03C; E03C1/00; E03C1/12; E03C1/122; Y; Y10; Y10T; Y10T137/00; Y10T137/4456; Y10T137/4463; Y10T137/4523
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) | 1916-04-21 | 1916-10-21 | 1917-04-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1920-04-21 | 1920-10-21 | 1921-04-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1924-04-21 | 1924-10-21 | 1925-04-22 | $7700.00 | Window Closed / Lapsed |