Patent US3433413A successfully refreshed from Google Patents.
US3433413A
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Small pneumatic thermostat
Assignee: Robertshaw Controls Co
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Filing: 1967-04-05
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Granted: 1969-03-18
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Expires: 1987-04-05
Abstract
No abstract record available.
Inventors
- 👤 Walter J Berleyoung
- 👤 Kenneth G Kreuter
- 👤 Klaus P Mueller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 20:42
CPC Classifications
B; B29; B29C; B29C66/00; B29C66/50; B29C66/51; B29C66/54; B29C65/00; B29C65/02; B29C65/08; B29C65/78; B29C65/7802; B29C65/7805; B29C65/7814; B29C66/01; B29C66/05; B29C66/20; B29C66/23; B29C66/232; B29C66/24; B29C66/242; B29C66/244; B29C66/302; B29C66/3022; B29C66/30223; B29C66/542; B29C66/543; B29C66/70; B29C66/73; B29C66/739; B29C66/7392; B29C66/73921; B29C66/80; B29C66/81; B29C66/814; B29C66/8141; B29C66/81431; B29C66/816; B29C66/8163; B29C66/82; B29C66/824; B29C66/8242; B29C66/83; B29C66/832; B29C66/8322; F; F15; F15B; F15B13/00; F15C; F15C5/00; B29C66/53; B29C66/534; B29C66/5346; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/494
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) | 1972-03-17 | 1972-09-16 | 1973-03-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-03-17 | 1976-09-16 | 1977-03-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-03-17 | 1980-09-16 | 1981-03-18 | $7700.00 | Window Closed / Lapsed |