US2550151A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Separable backing for repair material
Assignee: Uniroyal Inc
•
Filing: 1945-07-11
•
Granted: 1951-04-24
•
Expires: 1965-07-11
Abstract
No abstract record available.
Inventors
- 👤 Alfred N Iknayan
- 👤 Donald A Macdonald
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 14:51
CPC Classifications
B; B29; B29C; B29C73/00; B29C73/04; B29C73/10; B29L; B29L2030/00; Y; Y10; Y10T; Y10T152/00; Y10T152/10; Y10T152/10882; Y10T428/00; Y10T428/26
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1325798A
Cited
US770293A
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US1277871A
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US1543283A
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US1580428A
Cited
GB349118A
Cited
US1866513A
Cited
US2020177A
Cited
US2329179A
Cited
US2303828A
Cited
US2331054A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-04-23 | 1954-10-23 | 1955-04-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-04-23 | 1958-10-23 | 1959-04-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-04-23 | 1962-10-23 | 1963-04-24 | $7700.00 | Window Closed / Lapsed |