US3472268A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Adapter for converting manually operated valves to thermally controlled operation
Assignee: CLEMAR Manufacturing CORP
•
Filing: 1967-11-09
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Granted: 1969-10-14
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Expires: 1987-11-09
Abstract
No abstract record available.
Inventors
- 👤 John F Sherwood
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 09:51
CPC Classifications
G; G05; G05D; G05D23/00; G05D23/19; G05D23/1919; G05D23/1921; G05D23/01; G05D23/02; G05D23/021; G05D23/023; Y; Y10; Y10T; Y10T137/00; Y10T137/5109; Y10T137/7504; Y10T137/7613
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US41471A
Cited
US77690A
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US449222A
Cited
US2575100A
Cited
US2627387A
Cited
US2996075A
Cited
US3253610A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-10-13 | 1973-04-14 | 1973-10-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-10-13 | 1977-04-14 | 1977-10-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-10-13 | 1981-04-14 | 1981-10-14 | $7700.00 | Window Closed / Lapsed |