Patent US4310857A successfully refreshed from Google Patents.
US2926474A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tube closing machine
Assignee: Plax Corp
•
Filing: 1954-01-29
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Granted: 1960-03-01
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Expires: 1974-01-29
Abstract
No abstract record available.
Inventors
- 👤 Donne I Morrison
- 👤 Donald F Armour
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 18:21
CPC Classifications
B; B65; B65B; B65B7/00; B65B7/14; Y; Y10; Y10T; Y10T156/00; Y10T156/12; Y10T156/1374
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USRE20881E
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US2390120A
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US1889193A
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US2106739A
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US2325163A
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US2568794A
Cited
US2551476A
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US2669815A
Cited
US2715087A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-03-01 | 1963-08-31 | 1964-03-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-03-01 | 1967-08-31 | 1968-03-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-03-01 | 1971-08-31 | 1972-03-01 | $7700.00 | Window Closed / Lapsed |