Patent US3538581A successfully refreshed from Google Patents.
US2183984A
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Process and apparatus for a formed mat
Assignee: REPUBLIE RUBBER Co
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Filing: 1935-11-08
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Granted: 1939-12-19
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Expires: 1955-11-08
Abstract
No abstract record available.
Inventors
- 👤 Hugh S Campbell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 12:09
CPC Classifications
B; B29; B29C; B29C69/00; B29C43/00; B29C43/32; B29C43/36; B29C53/00; B29C53/02; B29C53/04; B29C48/00; B29C48/001; B29C48/0018; B29C48/03; B29C48/07; B29C48/08; B29C48/12; B29K; B29K2021/00; B29L; B29L2031/00; B29L2031/30
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) | 1942-12-18 | 1943-06-19 | 1943-12-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1946-12-18 | 1947-06-19 | 1947-12-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1950-12-18 | 1951-06-19 | 1951-12-19 | $7700.00 | Window Closed / Lapsed |