Patent US3370526A successfully refreshed from Google Patents.
US3370526A
Expired / Lapsed
US
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Press
Assignee: L&F Machine Co
•
Filing: 1965-04-30
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Granted: 1968-02-27
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Expires: 1985-04-30
Abstract
No abstract record available.
Inventors
- 👤 Russel A Parker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 11:10
CPC Classifications
B; B30; B30B; B30B1/00; B30B1/32; B30B15/00; B30B15/06; B30B15/068; B30B7/00; B30B7/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US823175A
Cited
FR714157A
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US2431943A
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US2358526A
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US2458858A
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US2627289A
Cited
US2627883A
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GB724287A
Cited
US2784754A
Cited
US3139816A
Cited
US3229401A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-02-26 | 1971-08-28 | 1972-02-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-02-26 | 1975-08-28 | 1976-02-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-02-26 | 1979-08-28 | 1980-02-27 | $7700.00 | Window Closed / Lapsed |