US2479375A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electric heat sealing machine
Assignee: Individual
•
Filing: 1945-02-20
•
Granted: 1949-08-16
•
Expires: 1965-02-20
Abstract
No abstract record available.
Inventors
- 👤 Langer Nicholas
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 23:47
CPC Classifications
B; B29; B29C; B29C66/00; B29C66/80; B29C66/82; B29C66/824; B29C66/8242; B29C65/00; B29C65/02; B29C65/18; B29C65/22; B29C65/221; B29C65/224; B29C65/34; B29C65/3404; B29C65/3444; B29C65/3456; B29C65/346; B29C65/3468; B29C65/36; B29C65/3604; B29C65/3656; B29C65/3672; B29C65/3676; B29C65/368; B29C65/38; B29C65/48; B29C65/52; B29C65/54; B29C66/01; B29C66/05; B29C66/10; B29C66/11; B29C66/112; B29C66/1122; B29C66/40; B29C66/41; B29C66/43; B29C66/431; B29C66/47; B29C66/472; B29C66/4722; B29C66/70; B29C66/72; B29C66/723; B29C66/7232; B29C66/72321; B29C66/73; B29C66/739; B29C66/7392; B29C66/73921; B29C66/81; B29C66/814; B29C66/8141; B29C66/81427; B29C66/81431; B29C66/83; B29C66/832; B29C66/8322; B29C66/90; B29C66/91; B29C66/914; B29C66/9161; B29C66/91651; B29C66/91653; B29C65/3472; B29C65/3476; B29C65/348; B29C66/432; B29C66/4322; B29C66/72327; B29C66/72328; B29C66/81411; B29C66/81421; B29C66/81422; B29C66/81423; B29C66/818; B29C66/8187; B29C66/81871; B29C66/92; B29C66/94
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1318563A
Cited
US1259272A
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US1489093A
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US2127183A
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Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-08-15 | 1953-02-14 | 1953-08-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-08-15 | 1957-02-14 | 1957-08-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-08-15 | 1961-02-14 | 1961-08-16 | $7700.00 | Window Closed / Lapsed |