US3501888A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Devices for evacuating and/or filling with gas and sealing shut filled containers
Assignee: SCHWEIZERISCHE IND G
•
Filing: 1967-11-30
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Granted: 1970-03-24
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Expires: 1987-11-30
Abstract
No abstract record available.
Inventors
- 👤 Alwin Egli
- 👤 Theo Rothenbach
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 16:50
CPC Classifications
B; B65; B65B; B65B51/00; B65B51/10; B65B51/14; B65B51/146; B29; B29C; B29C65/00; B29C65/02; B29C65/18; B29C66/00; B29C66/01; B29C66/05; B29C66/10; B29C66/11; B29C66/112; B29C66/1122; B29C66/345; B29C66/3452; B29C66/40; B29C66/41; B29C66/43; B29C66/431; B29C66/4312; B29C66/43121; B29C66/43122; B29C66/80; B29C66/83; B29C66/832; B29C66/8324; B29C66/83241; B29C66/84; B29C66/849; B65B31/00; B65B31/02; B65B31/024; B29L; B29L2031/00; B29L2031/712; B29L2031/7162; B29L2031/7166
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2933868A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-03-23 | 1973-09-22 | 1974-03-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-03-23 | 1977-09-22 | 1978-03-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-03-23 | 1981-09-22 | 1982-03-24 | $7700.00 | Window Closed / Lapsed |