Patent US2987973A successfully refreshed from Google Patents.
US2987973A
Expired / Lapsed
US
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Apparatus for closing a carton
Assignee: Primerica Inc
•
Filing: 1959-03-24
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Granted: 1961-06-13
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Expires: 1979-03-24
Abstract
No abstract record available.
Inventors
- 👤 Grover C Chandler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 07:21
CPC Classifications
B; B65; B65B; B65B7/00; B65B7/16; B65B7/20; B65B7/24; Y; Y10; Y10S; Y10S229/00; Y10S229/93
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US995965A
Cited
US2390120A
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US2305130A
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US2554574A
Cited
US2713965A
Cited
US2845212A
Cited
US2823848A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-06-12 | 1964-12-12 | 1965-06-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-06-12 | 1968-12-12 | 1969-06-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-06-12 | 1972-12-12 | 1973-06-13 | $7700.00 | Window Closed / Lapsed |