Patent US3050829A successfully refreshed from Google Patents.
US3050829A
Expired / Lapsed
US
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Pressure applying rollers
Assignee: Individual
•
Filing: 1960-05-31
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Granted: 1962-08-28
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Expires: 1980-05-31
Abstract
No abstract record available.
Inventors
- 👤 Appenzeller Valentin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 20:46
CPC Classifications
D; D21; D21J; D21J5/00; B; B29; B29C; B29C43/00; B29C43/22; D06; D06B; D06B23/00; D06B23/02; D06B23/021; D06C; D06C15/00; D06C15/08; D21G; D21G1/00; D21G1/02; D21G1/0206; D21G1/0213; D21G1/022; F; F16; F16C; F16C13/00; F16C13/02; F16C13/022; F16C13/024; F16C13/026; D06B2700/00; D06B2700/35; F16C2340/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-08-27 | 1966-02-26 | 1966-08-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-08-27 | 1970-02-26 | 1970-08-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-08-27 | 1974-02-26 | 1974-08-28 | $7700.00 | Window Closed / Lapsed |