Patent US2227277A successfully refreshed from Google Patents.
US2227277A
Expired / Lapsed
US
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Process of making threads, bands, strips, and tapes of rubber
Assignee: CLARK THREAD CO
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Filing: 1937-06-14
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Granted: 1940-12-31
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Expires: 1957-06-14
Abstract
No abstract record available.
Inventors
- 👤 Shepherd Thomas Lewis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 14:36
CPC Classifications
B; B29; B29D; B29D99/00; B29D99/0078; C; C08; C08J; C08J5/00; C08J5/02; B29K; B29K2021/00; B29L; B29L2031/00; B29L2031/731; C08J2321/00; Y; Y10; Y10S; Y10S528/00; Y10S528/931; Y10S528/934; Y10S528/936
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) | 1943-12-31 | 1944-07-01 | 1944-12-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1947-12-31 | 1948-07-01 | 1948-12-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1951-12-31 | 1952-07-01 | 1952-12-31 | $7700.00 | Window Closed / Lapsed |