Patent US3141239A successfully refreshed from Google Patents.
US3141239A
Expired / Lapsed
US
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Dry shaving apparatus comprising a shaving head with a cooling system
Assignee: US Philips Corp
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Filing: 1961-03-07
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Granted: 1964-07-21
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Expires: 1981-03-07
Abstract
No abstract record available.
Inventors
- 👤 Meyer Hans Joachim Gustav
- 👤 Volger Jan
- 👤 Thees Richard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 20:14
CPC Classifications
B; B26; B26B; B26B19/00; B26B19/38; B26B19/40
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
77 words
A DRY SHAVING APPARATUS COMPRISING A SHAVING HEAD PROVIDED WITH A SHEAR PLATE, A PLURALITY OF PELTIER ELEMENTS HAVING BOTH HOT AND COLD PORTIONS SURROUNDING SAID SHEAR PLATE, A PLURALITY OF SEPARATED CHAMBERS LOCATED ADJACENT TO SAID HOT PORTIONS THEREOF AND IN HEAT EXCHANGING CONTACT THEREWITH, EACH HAVING A COOLING SUBSTANCE THEREIN, SAID COLD PORTIONS THEREOF BEING IN COMMUNICATION WITH THE SHEAR PLATE TO THEREBY WITHDRAW THE HEAT FROM THE USER''S SKIN AND THUS COOL THE SAME.
Claim 2
Dependent Claim
77 words
A DRY SHAVING APPARATUS COMPRISING A SHAVING HEAD PROVIDED WITH A SHEAR PLATE, A PLURALITY OF PELTIER ELEMENTS HAVING BOTH HOT AND COLD PORTIONS SURROUNDING SAID SHEAR PLATE, A PLURALITY OF SEPARATED CHAMBERS LOCATED ADJACENT TO SAID HOT PORTIONS THEREOF AND IN HEAT EXCHANGING CONTACT THEREWITH, EACH HAVING A COOLING SUBSTANCE THEREIN, SAID COLD PORTIONS THEREOF BEING IN COMMUNICATION WITH THE SHEAR PLATE TO THEREBY WITHDRAW THE HEAT FROM THE USER''S SKIN AND THUS COOL THE SAME.
References Cited (Backward Citations)
US2899743A
Cited
US1120781A
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US2336806A
Cited
US2318255A
Cited
US2727303A
Cited
US2686361A
Cited
US2991627A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-07-21 | 1968-01-20 | 1968-07-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-07-21 | 1972-01-20 | 1972-07-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-07-21 | 1976-01-20 | 1976-07-21 | $7700.00 | Window Closed / Lapsed |