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US3477100A
Expired / Lapsed
US
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Vulcanizing presses
Assignee: Chepos Zavody Chemickeho A Potrovinarskeho Strojirenstvi
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Filing: 1966-08-31
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Granted: 1969-11-11
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Expires: 1986-08-31
Abstract
No abstract record available.
Inventors
- 👤 Vaclav Pech
- 👤 Jan Vebr
- 👤 Richard Spura
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 19:31
CPC Classifications
B; B29; B29D; B29D30/00; B29D30/06; B29D30/0601; B29D30/0603; B29C; B29C33/00; B29C33/34; B29C33/36; B29D30/065; B29D2030/0651
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1900456A
Cited
US2058880A
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US2672652A
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US2832991A
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US3054141A
Cited
US3223767A
Cited
US3222724A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-11-10 | 1973-05-12 | 1973-11-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-11-10 | 1977-05-12 | 1977-11-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-11-10 | 1981-05-12 | 1981-11-11 | $7700.00 | Window Closed / Lapsed |