US2684685A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic cutoff air inflating device
Assignee: Individual
•
Filing: 1949-08-20
•
Granted: 1954-07-27
•
Expires: 1969-08-20
Abstract
No abstract record available.
Inventors
- 👤 Frank E Learman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 01:53
CPC Classifications
B; B60; B60S; B60S5/00; B60S5/04; B60S5/043; Y; Y10; Y10T; Y10T137/00; Y10T137/3584; Y10T137/36; Y10T137/3631; Y10T137/3662; Y10T137/7722; Y10T137/7758
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USRE19148E
Cited
US2057889A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-07-26 | 1958-01-25 | 1958-07-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-07-26 | 1962-01-25 | 1962-07-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-07-26 | 1966-01-25 | 1966-07-27 | $7700.00 | Window Closed / Lapsed |