US2871671A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Controls for an air conditioning system
Assignee: Garrett Corp
•
Filing: 1956-05-28
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Granted: 1959-02-03
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Expires: 1976-05-28
Abstract
No abstract record available.
Inventors
- 👤 Jr James L Bartlett
- 👤 Hebert T Hertzog
- 👤 Robert M Pickard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 12:02
CPC Classifications
F; F24; F24F; F24F5/00; F24F5/0085; B; B64; B64D; B64D13/00; B64D13/06; B64D2013/0603; B64D2013/0618; B64D2013/0644; Y; Y02; Y02T; Y02T50/00; Y02T50/50
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) | 1962-02-02 | 1962-08-04 | 1963-02-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-02-02 | 1966-08-04 | 1967-02-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-02-02 | 1970-08-04 | 1971-02-03 | $7700.00 | Window Closed / Lapsed |