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Patent US3477597A successfully refreshed from Google Patents.
US3477597A
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Apparatus and method for opening cans with tear strips
Assignee: Armour Food Co
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Filing: 1966-09-12
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Granted: 1969-11-11
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Expires: 1986-09-12
Abstract
No abstract record available.
Inventors
- 👤 Lloyd Robert Benner Sr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 12:01
CPC Classifications
B; B67; B67B; B67B7/00; B67B7/40; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49789; Y10T29/4979; Y10T29/49815; Y10T29/49821; Y10T29/53; Y10T29/53652
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US416536A
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US1704234A
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US1557610A
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US2703187A
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US2795344A
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US2780387A
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US3008594A
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US2946470A
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US2984375A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-11-10 | 1973-05-12 | 1973-11-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-11-10 | 1977-05-12 | 1977-11-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-11-10 | 1981-05-12 | 1981-11-11 | $7700.00 | Window Closed / Lapsed |