US1481866A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of and apparatus for covering cores
Assignee: PENN RUBBER PRODUCTS Corp
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Filing: 1921-11-10
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Granted: 1924-01-29
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Expires: 1941-11-10
Abstract
No abstract record available.
Inventors
- 👤 Stuart H Heist
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 19:30
CPC Classifications
B; B29; B29C; B29C66/00; B29C66/80; B29C66/83; B29C66/834; B29C66/8351; B29C66/83511; B29C66/83513; B29C33/00; B29C33/34; B29C33/36; B29C51/00; B29C51/08; B29C51/082; B29C51/10; B29C51/26; B29C51/266; B29C51/267; B29C63/00; B29C63/22; B29C65/00; B29C65/02; B29C65/18; B29C66/01; B29C66/05; B29C66/10; B29C66/13; B29C66/131; B29C66/1312; B29C66/50; B29C66/51; B29C66/54; B29C66/81; B29C66/814; B29C66/8141; B29C66/81431; B29C66/816; B29C66/8161; B29C70/00; B29C70/68; B29C70/70; B29D; B29D22/00; B29D22/02; B29D99/00; B29D99/0042; B29C66/70; B29C66/71; B29C66/81411; B29C66/81421; B29C66/81423; B29K; B29K2021/00; B29L; B29L2031/00; B29L2031/54; Y; Y10; Y10S; Y10S264/00; Y10S264/37; Y10S264/78; Y10T; Y10T156/00; Y10T156/10; Y10T156/1002; Y10T156/1007; Y10T156/1052; Y10T156/1054; Y10T156/17; Y10T156/1702; Y10T156/1712; Y10T156/1734
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) | 1927-01-28 | 1927-07-30 | 1928-01-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1931-01-28 | 1931-07-30 | 1932-01-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1935-01-28 | 1935-07-30 | 1936-01-29 | $7700.00 | Window Closed / Lapsed |