US3520755A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for making heat sealed articles
Assignee: Scholl Manufacturing Co Inc
•
Filing: 1967-01-04
•
Granted: 1970-07-14
•
Expires: 1987-01-04
Abstract
No abstract record available.
Inventors
- 👤 Carl W Scholl
- 👤 Milo L Raffaelli Sr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 07:04
CPC Classifications
B; B29; B29C; B29C66/00; B29C66/004; B26; B26F; B26F3/00; B26F3/06; B29C63/00; B29C63/02; B29C63/04; B29C65/00; B29C65/02; B29C65/04; B29C66/01; B29C66/05; B29C66/10; B29C66/13; B29C66/133; B29C66/40; B29C66/41; B29C66/43; B29C66/436; B29C66/80; B29C66/83; B29C66/832; B29C66/8322; B29C2793/00; B29C66/137; B29C66/70; B29C66/71; B29C66/72; B29C66/723; Y; Y10; Y10T; Y10T156/00; Y10T156/10; Y10T156/1002; Y10T156/1007; Y10T156/1034; Y10T156/1043; Y10T156/1044; Y10T156/1046; Y10T156/1052; Y10T156/1054; Y10T156/1062; Y10T156/108; Y10T156/1084; Y10T156/1085; Y10T156/12; Y10T156/1313; Y10T156/1378
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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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) | 1973-07-13 | 1974-01-12 | 1974-07-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-07-13 | 1978-01-12 | 1978-07-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-07-13 | 1982-01-12 | 1982-07-14 | $7700.00 | Window Closed / Lapsed |