US2579443A
Expired / Lapsed
US
⏱️ 0.0 years remaining
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Assignee: Wingfoot Corp
•
Filing: 1947-03-28
•
Granted: 1951-12-18
•
Expires: 1967-03-28
Abstract
No abstract record available.
Inventors
- 👤 James E Snyder
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 19:02
CPC Classifications
B; B65; B65D; B65D75/00; B65D75/52; B65D75/58; B65D75/66; B65D75/68; Y; Y10; Y10T; Y10T428/00; Y10T428/15
Claims Analysis
Total Claims: 0
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US1964238A
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US2322594A
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US2285189A
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US2453258A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-12-17 | 1955-06-18 | 1955-12-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-12-17 | 1959-06-18 | 1959-12-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-12-17 | 1963-06-18 | 1963-12-18 | $7700.00 | Window Closed / Lapsed |