Patent US3372613A successfully refreshed from Google Patents.
US3372613A
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Assignee: HA Waldrich GmbH
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Filing: 1965-08-23
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Granted: 1968-03-12
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Expires: 1985-08-23
Abstract
No abstract record available.
Inventors
- 👤 Feld Heinrich
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 13:14
CPC Classifications
B; B23; B23Q; B23Q1/00; B23Q1/25; B23Q1/44; B23Q1/48; B23Q1/56; B23Q1/60; B23Q1/601; F; F24; F24H; F24H1/00; F24H1/10; F24H1/101; F24H1/102; F24H1/105; Y; Y10; Y10T; Y10T82/00; Y10T82/25; Y10T82/2531; Y10T82/2541; Y10T82/2566
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-03-12 | 1971-09-11 | 1972-03-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-03-12 | 1975-09-11 | 1976-03-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-03-12 | 1979-09-11 | 1980-03-12 | $7700.00 | Window Closed / Lapsed |