US2877966A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Common oxygen supply for engine and cabin of high altitude aircraft
Assignee: Garrett Corp
•
Filing: 1955-03-30
•
Granted: 1959-03-17
•
Expires: 1975-03-30
Abstract
No abstract record available.
Inventors
- 👤 Jr Thomas O Summers
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 01:27
CPC Classifications
B; B64; B64D; B64D13/00; B64D13/02; B64D13/04; Y; Y10; Y10S; Y10S62/00; Y10S62/05
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
FR403132A
Cited
FR11390E
Cited
CH98551A
Cited
US1779162A
Cited
US1991601A
Cited
GB636150A
Cited
US2701514A
Cited
US2709348A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-03-16 | 1962-09-15 | 1963-03-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-03-16 | 1966-09-15 | 1967-03-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-03-16 | 1970-09-15 | 1971-03-17 | $7700.00 | Window Closed / Lapsed |