Patent US312902A successfully refreshed from Google Patents.
Patent US1374584A successfully refreshed from Google Patents.
US1374584A
Expired / Lapsed
US
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Apparatus for making rubber products
Assignee: Individual
•
Filing: 1918-05-07
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Granted: 1921-04-12
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Expires: 1938-05-07
Abstract
No abstract record available.
Inventors
- 👤 Harley C Knecht
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 01:09
CPC Classifications
B; B29; B29D; B29D30/00; B29D30/02; B29C; B29C48/00; B29C48/001; B29C48/0022; B29C48/03; B29C48/09; B29C48/10
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) | 1924-04-11 | 1924-10-11 | 1925-04-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1928-04-11 | 1928-10-11 | 1929-04-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1932-04-11 | 1932-10-11 | 1933-04-12 | $7700.00 | Window Closed / Lapsed |