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US2466735A
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Heat-sealing device
Assignee: Shellmar Products Corp
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Filing: 1946-10-23
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Granted: 1949-04-12
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Expires: 1966-10-23
Abstract
No abstract record available.
Inventors
- 👤 Thomas E Piazze
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:58
CPC Classifications
B; B29; B29C; B29C66/00; B29C66/80; B29C66/81; B29C66/814; B29C66/8145; B29C66/81455; B29C65/00; B29C65/02; B29C65/18; B29C65/24; B29C65/26; B29C66/01; B29C66/03; B29C66/034; B29C66/0342; B29C66/05; B29C66/10; B29C66/11; B29C66/112; B29C66/1122; B29C66/40; B29C66/41; B29C66/45; B29C66/818; B29C66/8181; B29C66/81811; B29C66/90; B29C66/91; B29C66/914; B29C66/9141; B29C66/91431; B29C66/9161; B29C66/91641; B29C35/00; B29C35/02; B29C35/04; B29C35/041; B29C2035/042; B29C2035/043; B29C35/16; B29C2035/1616; B29C35/049
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2213744A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-04-11 | 1952-10-11 | 1953-04-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-04-11 | 1956-10-11 | 1957-04-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-04-11 | 1960-10-11 | 1961-04-12 | $7700.00 | Window Closed / Lapsed |