US1346848A
Expired / Lapsed
US
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Method of making hollow rubber articles
Assignee: PARAMOUNT RUBBER CONS Inc
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Filing: 1917-03-12
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Granted: 1920-07-20
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Expires: 1937-03-12
Abstract
No abstract record available.
Inventors
- 👤 Roberts Fred Thomas
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 14:15
CPC Classifications
B; B29; B29C; B29C51/00; B29C51/26; B29C51/266; B29C51/267; B29C65/00; B29C65/02; B29C66/00; B29C66/01; B29C66/05; B29C66/10; B29C66/11; B29C66/112; B29C66/13; B29C66/131; B29C66/50; B29C66/51; B29C66/53; B29C66/532; B29C66/61; B29C66/70; B29C66/71; B29C66/80; B29C66/82; B29C66/824; B29C66/8242; B29C66/83; B29C66/832; B29C66/8322; B29D; B29D22/00; B29C2791/00; B29C2791/004; B29C2791/006; B29K; B29K2021/00; Y; Y10; Y10T; Y10T156/00; Y10T156/10; Y10T156/1052; Y10T156/1054
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) | 1923-07-20 | 1924-01-19 | 1924-07-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1927-07-20 | 1928-01-19 | 1928-07-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1931-07-20 | 1932-01-19 | 1932-07-20 | $7700.00 | Window Closed / Lapsed |