US2985221A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for forming and heat sealing tubular edgings to thermoplastic sheet material
Assignee: Individual
•
Filing: 1957-06-24
•
Granted: 1961-05-23
•
Expires: 1977-06-24
Abstract
No abstract record available.
Inventors
- 👤 Sidney H Magid
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 09:10
CPC Classifications
B; B29; B29C; B29C53/00; B29C53/36; B29C65/00; B29C65/02; B29C65/04; B29C66/00; B29C66/40; B29C66/47; B29C66/472; B29C66/4722; B29C66/80; B29C66/81; B29C66/816; B29C66/8161; B29C66/83; B29C66/832; B29C66/8322; B29C66/70; B29C66/71; B29C66/818; B29C66/8182; B29C66/81821; B29C66/8187; B29C66/81871; B29L; B29L2031/00; B29L2031/48; Y; Y10; Y10T; Y10T156/00; Y10T156/17; Y10T156/1702
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2733752A
Cited
US2484340A
Cited
US2500895A
Cited
US2466643A
Cited
US2580075A
Cited
US2646105A
Cited
US2712846A
Cited
US2768107A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-05-22 | 1964-11-21 | 1965-05-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-05-22 | 1968-11-21 | 1969-05-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-05-22 | 1972-11-21 | 1973-05-23 | $7700.00 | Window Closed / Lapsed |