US2550773A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Shock-resistant, puncture-sealing tire
Assignee: Individual
•
Filing: 1946-08-31
•
Granted: 1951-05-01
•
Expires: 1966-08-31
Abstract
No abstract record available.
Inventors
- 👤 Manford E Christensen
- 👤 William J Hanson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 13:22
CPC Classifications
B; B60; B60C; B60C19/00; B60C19/12; Y; Y10; Y10T; Y10T152/00; Y10T152/10; Y10T152/10135; Y10T152/10234; Y10T152/10243; Y10T152/10279; Y10T152/10378; Y10T152/10387; Y10T152/10396; Y10T152/10495; Y10T152/10666; Y10T152/1072
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US467015A
Cited
US609080A
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US666401A
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US1257409A
Cited
US1440553A
Cited
US1874197A
Cited
US2018189A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-04-30 | 1954-10-30 | 1955-05-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-04-30 | 1958-10-30 | 1959-05-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-04-30 | 1962-10-30 | 1963-05-01 | $7700.00 | Window Closed / Lapsed |