US2561012A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for venting tire casings
Assignee: Wingfoot Corp
•
Filing: 1949-03-26
•
Granted: 1951-07-17
•
Expires: 1969-03-26
Abstract
No abstract record available.
Inventors
- 👤 Harold H Clark
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 10:54
CPC Classifications
B; B29; B29D; B29D30/00; B29D30/06; B29D30/0601; B29D30/0633; Y; Y10; Y10T; Y10T83/00; Y10T83/202; Y10T83/2092; Y10T83/2196; Y10T83/525; Y10T83/536; Y10T83/647; Y10T83/6476; Y10T83/6484; Y10T83/6572
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2453681A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-07-16 | 1955-01-15 | 1955-07-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-07-16 | 1959-01-15 | 1959-07-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-07-16 | 1963-01-15 | 1963-07-17 | $7700.00 | Window Closed / Lapsed |