Patent US5142184B1 successfully refreshed from Google Patents.
US3434673A
Expired / Lapsed
US
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Drive mechanism
Assignee: Leesona Corp
•
Filing: 1967-03-03
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Granted: 1969-03-25
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Expires: 1987-03-03
Abstract
No abstract record available.
Inventors
- 👤 Charles W Brouwer
- 👤 Alan H Norris
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 11:57
CPC Classifications
B; B65; B65H; B65H54/00; B65H54/02; B65H54/38; B65H54/40; B65H54/42; B65H2701/00; B65H2701/30; B65H2701/31
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2853165A
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US2946418A
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US3045935A
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US3223212A
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US3361238A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-03-24 | 1972-09-23 | 1973-03-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-03-24 | 1976-09-23 | 1977-03-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-03-24 | 1980-09-23 | 1981-03-25 | $7700.00 | Window Closed / Lapsed |