US3028294A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Heat sealing and cutting apparatus
Assignee: Individual
•
Filing: 1961-02-13
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Granted: 1962-04-03
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Expires: 1981-02-13
Abstract
No abstract record available.
Inventors
- 👤 William N Histed
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 07:12
CPC Classifications
B; B29; B29C; B29C65/00; B29C65/02; B29C65/18; B29C65/74; B29C65/743; B29C66/00; B29C66/01; B29C66/05; B29C66/10; B29C66/11; B29C66/112; B29C66/1122; B29C66/13; B29C66/133; B29C66/40; B29C66/41; B29C66/43; B29C66/431; B29C66/4312; B29C66/432; B29C66/4322; B29C66/80; B29C66/81; B29C66/816; B29C66/8161; B29C66/818; B29C66/8181; B29C66/82; B29C66/822; B29C66/8221; B29C66/83; B29C66/834; B29C66/8341; B29C66/83411; B29C66/83421; B29C66/83431; B29C66/8351; B29C66/83511; B29C66/84; B29C66/849; B65; B65B; B65B9/00; B65B9/06; B29C66/433; B29C66/4332; B29C66/814; B29C66/8141; B29C66/81411; B29C66/81421; B29C66/81422; B29C66/8187; B29C66/81871; Y; Y10; Y10T; Y10T156/00; Y10T156/12; Y10T156/1313
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
14 words
HEAT SEALING APPARATUS COMPRISING CONVEYING MEANS ADAPTED TO CONTINUOUSLY CONVEY AN UPPER HEAT SEALABLE
Claim 2
Dependent Claim
14 words
HEAT SEALING APPARATUS COMPRISING CONVEYING MEANS ADAPTED TO CONTINUOUSLY CONVEY AN UPPER HEAT SEALABLE
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) | 1965-04-02 | 1965-10-02 | 1966-04-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-04-02 | 1969-10-02 | 1970-04-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-04-02 | 1973-10-02 | 1974-04-03 | $7700.00 | Window Closed / Lapsed |