US1916258A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tire groover
Assignee: Individual
•
Filing: 1932-09-26
•
Granted: 1933-07-04
•
Expires: 1952-09-26
Abstract
No abstract record available.
Inventors
- 👤 William F Errig
- 👤 George M Pfundt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 09:32
CPC Classifications
B; B29; B29D; B29D30/00; B29D30/06; B29D30/52; B29D30/68; Y; Y10; Y10T; Y10T82/00; Y10T82/25; Y10T82/2522
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) | 1936-07-03 | 1937-01-02 | 1937-07-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1940-07-03 | 1941-01-02 | 1941-07-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1944-07-03 | 1945-01-02 | 1945-07-04 | $7700.00 | Window Closed / Lapsed |