Patent US2598900A successfully refreshed from Google Patents.
US2598900A
Expired / Lapsed
US
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Heat sealing device
Assignee: Individual
•
Filing: 1947-11-24
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Granted: 1952-06-03
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Expires: 1967-11-24
Abstract
No abstract record available.
Inventors
- 👤 Frye Jack
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 19:45
CPC Classifications
B; B29; B29C; B29C66/00; B29C66/80; B29C66/83; B29C66/836; B29C66/8362; B29C65/00; B29C65/02; B29C65/18; B29C65/24; B29C65/30; B29C65/305; B29C66/81; B29C66/816; B29C66/8167; B29C66/834; B29C66/8341; B29C66/83441; B29C66/84; B29C66/861; B29C66/8616; H; H05; H05B; H05B3/00; H05B3/0033; H05B3/0038; H05B3/0057; B29C66/70; B29C66/71; B29C66/814; B29C66/8141; B29C66/81411; B29C66/81421; B29C66/81422; B29C66/90; B29C66/91; B29C66/914; B29C66/9141; B29C66/91431; B29C66/9161; B29C66/91641
Claims Analysis
Total Claims: 0
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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) | 1955-06-03 | 1955-12-03 | 1956-06-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-06-03 | 1959-12-03 | 1960-06-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-06-03 | 1963-12-03 | 1964-06-03 | $7700.00 | Window Closed / Lapsed |