Patent US3481051A successfully refreshed from Google Patents.
US3481051A
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Heating apparatus
Assignee: Paramount Packaging Corp
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Filing: 1969-02-06
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Granted: 1969-12-02
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Expires: 1989-02-06
Abstract
No abstract record available.
Inventors
- 👤 Francis A Davis Jr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 13:43
CPC Classifications
B; B29; B29C; B29C66/00; B29C66/90; B29C66/91; B29C66/914; B29C66/9141; B29B; B29B13/00; B29B13/02; B29B13/023; B29C53/00; B29C53/02; B29C53/10; B29C53/80; B29C53/84; B29C65/00; B29C65/02; B29C65/10; B29C65/103; B29C66/40; B29C66/41; B29C66/43; B29C66/431; B29C66/70; B29C66/73; B29C66/739; B29C66/7392; B29C66/73921; B29C66/80; B29C66/83; B29C66/834; B29C66/8341; B29C66/83411; B31; B31B; B31B70/00; B31B70/60; B31B70/64; B31B70/644; B29C35/00; B29C35/02; B29C35/04; B29C35/06; B29C66/01; B29C66/02; B29C66/024; B29C66/0242; B29C66/05; B29C66/10; B29C66/11; B29C66/112; B29C66/1122; B29C66/71; B29C66/735; B29C66/7352; B29C66/912; B29C66/9121; B29C66/96; B29C66/961; B31B2150/00; B31B2160/00; B31B2160/20
Claims Analysis
Total Claims: 0
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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) | 1972-12-01 | 1973-06-02 | 1973-12-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-12-01 | 1977-06-02 | 1977-12-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-12-01 | 1981-06-02 | 1981-12-02 | $7700.00 | Window Closed / Lapsed |