Patent US3399545A successfully refreshed from Google Patents.
US3399545A
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US
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Apparatus for connecting a stationary air conditioning unit to aircraft
Assignee: Lear Siegler Inc
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Filing: 1967-05-23
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Granted: 1968-09-03
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Expires: 1987-05-23
Abstract
No abstract record available.
Inventors
- 👤 Gordon K Anderson
- 👤 Richard A Evans
- 👤 Ralph H Hilmer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 05:15
CPC Classifications
B; B64; B64F; B64F1/00; B64F1/36; B64F1/362; B64F1/30; B64F1/305; F; F16; F16L; F16L27/00; F16L27/12; F24; F24F; F24F13/00; F24F13/02; F24F13/0209; F24F13/0272
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US984553A
Cited
US1792368A
Cited
US2538382A
Cited
US2480441A
Cited
US2824575A
Cited
US3360954A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-09-03 | 1972-03-04 | 1972-09-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-09-03 | 1976-03-04 | 1976-09-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-09-03 | 1980-03-04 | 1980-09-03 | $7700.00 | Window Closed / Lapsed |