US2559591A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for making safety tubes
Assignee: Wingfoot Corp
•
Filing: 1948-07-30
•
Granted: 1951-07-10
•
Expires: 1968-07-30
Abstract
No abstract record available.
Inventors
- 👤 Clement J Burkley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 23:31
CPC Classifications
B; B29; B29B; B29B15/00; B29B15/02; B29K; B29K2021/00; Y; Y10; Y10S; Y10S264/00; Y10S264/71; Y10T; Y10T152/00; Y10T152/10; Y10T152/10495; Y10T152/10522
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1472756A
Cited
US1694238A
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US1713958A
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US2090210A
Cited
US2305053A
Cited
US2372382A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-07-09 | 1955-01-08 | 1955-07-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-07-09 | 1959-01-08 | 1959-07-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-07-09 | 1963-01-08 | 1963-07-10 | $7700.00 | Window Closed / Lapsed |