US3391816A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lunch box with slidable divider
Assignee: Dart Industries Inc
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Filing: 1966-11-04
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Granted: 1968-07-09
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Expires: 1986-11-04
Abstract
No abstract record available.
Inventors
- 👤 James B Swett
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 05:11
CPC Classifications
B; B65; B65D; B65D25/00; B65D25/02; B65D25/04; A; A47; A47J; A47J47/00; A47J47/02; B65D25/06; B65D43/00; B65D43/02; B65D43/0202; B65D43/0214; B65D43/0218; B65D2543/00; B65D2543/00009; B65D2543/00018; B65D2543/00064; B65D2543/00074; B65D2543/00101; B65D2543/0012; B65D2543/00175; B65D2543/00194; B65D2543/00259; B65D2543/00296; B65D2543/00444; B65D2543/00481; B65D2543/0049; B65D2543/00509; B65D2543/00537; B65D2543/00555
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) | 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 |