US2974409A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Drive means for electric can openers and the like
Assignee: Burgess Vibrocrafters Inc
•
Filing: 1959-09-21
•
Granted: 1961-03-14
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Expires: 1979-09-21
Abstract
No abstract record available.
Inventors
- 👤 Ghinazzi Alvin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 10:28
CPC Classifications
F; F16; F16H; F16H7/00; F16H7/04; B; B67; B67B; B67B7/00; B67B7/38; Y; Y10; Y10T; Y10T74/00; Y10T74/19; Y10T74/19642; Y10T74/19679; Y10T74/19684
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1252550A
Cited
US1555150A
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US1645887A
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US2028282A
Cited
US2506514A
Cited
US2711580A
Cited
US2903974A
Cited
US2897589A
Cited
US2903899A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-03-13 | 1964-09-12 | 1965-03-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-03-13 | 1968-09-12 | 1969-03-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-03-13 | 1972-09-12 | 1973-03-14 | $7700.00 | Window Closed / Lapsed |