Patent US2777301A successfully refreshed from Google Patents.
US2777301A
Expired / Lapsed
US
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All-purpose power and air conditioning system
Assignee: Garrett Corp
•
Filing: 1952-06-30
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Granted: 1957-01-15
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Expires: 1972-06-30
Abstract
No abstract record available.
Inventors
- 👤 Kuhn John
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 19:11
CPC Classifications
B; B64; B64D; B64D13/00; B64D13/06; B64D2013/0603; B64D2013/0607; B64D2013/0644; B64D2013/0696; Y; Y02; Y02T; Y02T50/00; Y02T50/50
Claims Analysis
Total Claims: 0
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-01-15 | 1960-07-16 | 1961-01-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-01-15 | 1964-07-16 | 1965-01-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-01-15 | 1968-07-16 | 1969-01-15 | $7700.00 | Window Closed / Lapsed |