Patent US2994913A successfully refreshed from Google Patents.
US2994913A
Expired / Lapsed
US
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Apparatus for producing a continuous strip of elastic material
Assignee: WJ Voit Rubber Corp
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Filing: 1958-07-07
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Granted: 1961-08-08
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Expires: 1978-07-07
Abstract
No abstract record available.
Inventors
- 👤 Rudolph G Holman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 20:44
CPC Classifications
B; B29; B29C; B29C43/00; B29C43/22
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1252821A
Cited
US2651076A
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US2720679A
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US2749571A
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US2771388A
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US2756459A
Cited
US2807047A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-08-07 | 1965-02-06 | 1965-08-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-08-07 | 1969-02-06 | 1969-08-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-08-07 | 1973-02-06 | 1973-08-08 | $7700.00 | Window Closed / Lapsed |