Patent US2581248A successfully refreshed from Google Patents.
US2581248A
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Method of making forms for the manufacture of dipped rubber goods or other articles
Assignee: COLONIAL INSULATOR Co
•
Filing: 1948-04-28
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Granted: 1952-01-01
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Expires: 1968-04-28
Abstract
No abstract record available.
Inventors
- 👤 Rudolph V Ganz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 13:31
CPC Classifications
B; B29; B29C; B29C41/00; B29C41/34; B29C41/38; B29C41/02; B29C41/14; C; C04; C04B; C04B33/00; C04B33/28; C04B33/30; B29K; B29K2021/00; Y; Y10; Y10T; Y10T156/00; Y10T156/10; Y10T156/1002; Y10T156/1028; Y10T156/1031
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US207543A
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US493449A
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US1410169A
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US1516065A
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US1907771A
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US2316149A
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US2334307A
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US2261583A
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US2441164A
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US2384741A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-12-31 | 1955-07-02 | 1956-01-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-12-31 | 1959-07-02 | 1960-01-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-12-31 | 1963-07-02 | 1964-01-01 | $7700.00 | Window Closed / Lapsed |