US1775557A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Breather cap eor crank casings
Assignee: —
•
Filing: —
•
Granted: 1930-09-09
•
Expires: 1947-09-09
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 22:15
CPC Classifications
F; F02; F02F; F02F7/00; F02F7/0021; B; B01; B01D; B01D53/00; B01D53/34; B01D53/92; Y; Y10; Y10S; Y10S55/00; Y10S55/19
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1933-09-08 | 1934-03-10 | 1934-09-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1937-09-08 | 1938-03-10 | 1938-09-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1941-09-08 | 1942-03-10 | 1942-09-09 | $7700.00 | Window Closed / Lapsed |