Patent US2115543A successfully refreshed from Google Patents.
US2115543A
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Process of covering perforated rolls
Assignee: Uniroyal Inc
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Filing: 1936-10-17
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Granted: 1938-04-26
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Expires: 1956-10-17
Abstract
No abstract record available.
Inventors
- 👤 Thackray Carden Cousens
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 18:11
CPC Classifications
B; B29; B29C; B29C63/00; B29C63/0047; B29D; B29D99/00; B29D99/0032; B29D99/0035; B29C2793/00; B29C2793/0045; B29K; B29K2021/00; B29K2105/00; B29K2105/24; B29K2105/246; B29L; B29L2031/00; B29L2031/32; B29L2031/324; Y; Y10; Y10T; Y10T156/00; Y10T156/10; Y10T156/1052; Y10T156/1056; Y10T156/1057; Y10T156/12
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1941-04-25 | 1941-10-25 | 1942-04-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1945-04-25 | 1945-10-25 | 1946-04-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1949-04-25 | 1949-10-25 | 1950-04-26 | $7700.00 | Window Closed / Lapsed |