US1443435A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Air cooling and purifying device for motor-drive tire pumps
Assignee: Individual
•
Filing: 1921-03-24
•
Granted: 1923-01-30
•
Expires: 1941-03-24
Abstract
No abstract record available.
Inventors
- 👤 Rohrer Daniel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:30
CPC Classifications
B; B60; B60C; B60C23/00; B60C23/10; B60C23/14
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) | 1926-01-29 | 1926-07-31 | 1927-01-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1930-01-29 | 1930-07-31 | 1931-01-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1934-01-29 | 1934-07-31 | 1935-01-30 | $7700.00 | Window Closed / Lapsed |