Patent US2838836A successfully refreshed from Google Patents.
US2838836A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Reciprocating electric shaver having multiple shearing surfaces on outer and inner cutters
Assignee: Individual
•
Filing: 1954-02-16
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Granted: 1958-06-17
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Expires: 1974-02-16
Abstract
No abstract record available.
Inventors
- 👤 Lussier Alphonse
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 11:01
CPC Classifications
B; B26; B26B; B26B19/00; B26B19/38; B26B19/384; B26B19/02; B26B19/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USRE21413E
Cited
US1420943A
Cited
US2178669A
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US2100135A
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US2098437A
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US2178976A
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US2281250A
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US2317177A
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US2275022A
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US2342808A
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US2440114A
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US2526153A
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US2648898A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-06-16 | 1961-12-16 | 1962-06-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-06-16 | 1965-12-16 | 1966-06-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-06-16 | 1969-12-16 | 1970-06-17 | $7700.00 | Window Closed / Lapsed |