Patent US3440725A successfully refreshed from Google Patents.
US3440725A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mounting of dry shaver shearing foil
Assignee: Braun GmbH
•
Filing: 1966-06-29
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Granted: 1969-04-29
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Expires: 1986-06-29
Abstract
No abstract record available.
Inventors
- 👤 Werner Messinger
- 👤 Robert Wich
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 02:17
CPC Classifications
B; B26; B26B; B26B19/00; B26B19/02; B26B19/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2203020A
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US2229959A
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US2263155A
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US2334994A
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US2282943A
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US3068568A
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US3074161A
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US2979819A
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US3269008A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-04-28 | 1972-10-28 | 1973-04-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-04-28 | 1976-10-28 | 1977-04-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-04-28 | 1980-10-28 | 1981-04-29 | $7700.00 | Window Closed / Lapsed |