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US2723879A
Expired / Lapsed
US
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Water control and distributor device
Assignee: Individual
•
Filing: 1954-04-26
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Granted: 1955-11-15
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Expires: 1974-04-26
Abstract
No abstract record available.
Inventors
- 👤 John C Martin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:56
CPC Classifications
B; B05; B05B; B05B1/00; B05B1/26; B05B1/262; B05B1/265; B05B1/30; B05B1/3033; B05B1/3073
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-11-14 | 1959-05-16 | 1959-11-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-11-14 | 1963-05-16 | 1963-11-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-11-14 | 1967-05-16 | 1967-11-15 | $7700.00 | Window Closed / Lapsed |