US2944580A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Side wall valve and method of manufacture therefor
Assignee: Dill Manufacturing Co
•
Filing: 1958-10-23
•
Granted: 1960-07-12
•
Expires: 1978-10-23
Abstract
No abstract record available.
Inventors
- 👤 Roger H Nece
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:57
CPC Classifications
B; B60; B60C; B60C29/00; B60C29/04; B60C13/00; Y; Y10; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7837; Y10T137/7879; Y10T137/788; Y10T137/7882
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1951565A
Cited
US2230879A
Cited
US2243462A
Cited
US2329346A
Cited
US2621700A
Cited
US2634785A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-07-12 | 1964-01-11 | 1964-07-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-07-12 | 1968-01-11 | 1968-07-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-07-12 | 1972-01-11 | 1972-07-12 | $7700.00 | Window Closed / Lapsed |