Patent US1818670A successfully refreshed from Google Patents.
US2466643A
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Apparatus for heat sealing thermoplastic strips about elastic elements
Assignee: Individual
•
Filing: 1946-11-16
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Granted: 1949-04-05
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Expires: 1966-11-16
Abstract
No abstract record available.
Inventors
- 👤 Sidney H Magid
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 11:36
CPC Classifications
B; B29; B29C; B29C53/00; B29C53/36; B29C67/00; B29L; B29L2031/00; B29L2031/48; B29L2031/4842; B29L2031/4857; Y; Y10; Y10T; Y10T156/00; Y10T156/10; Y10T156/1002; Y10T156/1028; Y10T156/12
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) | 1952-04-04 | 1952-10-04 | 1953-04-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-04-04 | 1956-10-04 | 1957-04-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-04-04 | 1960-10-04 | 1961-04-05 | $7700.00 | Window Closed / Lapsed |