US1402293A
Expired / Lapsed
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Method of making hollow articles
Assignee: PENN RUBBER PRODUCTS Corp
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Filing: 1921-09-13
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Granted: 1922-01-03
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Expires: 1941-09-13
Abstract
No abstract record available.
Inventors
- 👤 Stuart H Heist
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 14:48
CPC Classifications
B; B29; B29C; B29C51/00; B29C51/26; B29C51/266; B29C51/267; B29C33/00; B29C33/34; B29C33/36; B29C65/00; B29C65/02; B29C65/18; B29C66/00; B29C66/01; B29C66/05; B29C66/10; B29C66/11; B29C66/112; B29C66/1122; B29C66/13; B29C66/131; B29C66/1312; B29C66/40; B29C66/41; B29C66/43; B29C66/438; B29C66/80; B29C66/81; B29C66/814; B29C66/8141; B29C66/81431; B29C66/816; B29C66/8161; B29C66/82; B29C66/822; B29C66/8221; B29C66/8226; B29C66/82265; B29C66/83; B29C66/834; B29C66/8341; B29C66/83411; B29C66/83413; B29C66/8351; B29C66/83511; B29C66/83513; B29D; B29D22/00; B29C2791/00; B29C2791/004; B29C2791/006; B29C66/50; B29C66/51; B29C66/54; B29C66/81411; B29C66/81421; B29C66/81423; B29C66/8223; B29C66/8225; Y; Y10; Y10T; Y10T156/00; Y10T156/10; Y10T156/1002; Y10T156/1007
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) | 1925-01-02 | 1925-07-04 | 1926-01-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1929-01-02 | 1929-07-04 | 1930-01-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1933-01-02 | 1933-07-04 | 1934-01-03 | $7700.00 | Window Closed / Lapsed |