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US3391782A
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US
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Convertible sandwich package
Assignee: WILLIAM A KASPAR
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Filing: 1966-09-01
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Granted: 1968-07-09
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Expires: 1986-09-01
Abstract
No abstract record available.
Inventors
- 👤 William A Kaspar
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 07:49
CPC Classifications
B; B65; B65D; B65D5/00; B65D5/20; B65D5/24; B65D5/241; A; A47; A47G; A47G21/00; A47G21/001; B65D5/2052; B65D5/2057; B65D5/42; B65D5/54; B65D5/545; B65D5/72; B65D5/724; B65D81/00; B65D81/36; Y; Y10; Y10S; Y10S229/00; Y10S229/938
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2367675A
Cited
US3003207A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-07-09 | 1972-01-08 | 1972-07-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-07-09 | 1976-01-08 | 1976-07-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-07-09 | 1980-01-08 | 1980-07-09 | $7700.00 | Window Closed / Lapsed |