US3138870A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vacuum operated hair clipper
Assignee: Individual
•
Filing: 1962-03-26
•
Granted: 1964-06-30
•
Expires: 1982-03-26
Abstract
No abstract record available.
Inventors
- 👤 Joseph A Stachon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 04:54
CPC Classifications
B; B26; B26B; B26B19/00; B26B19/28; B26B19/34
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
130 words
A VACUUM OPERATED HAIR CLIPPING DEVICE COMPRISING A HOUSING HAVING AN AIR PASSAGE THEREIN ADAPTED FOR COMMUNICABLE CONNECTION TO AN AIR PUMP, CLOSURE MEANS AT ONE END OF SAID PASSAGE HAVING HAIR INLET PERFORMATIONS THEREIN, A CUTTER HEAD MOUNTED FOR ROTATION WITHIN SAID PASSAGE ADJACENT SAID CLOSURE MEANS, A PAIR OF SUBSTANTIALLY RECTANGULAR CUTTING BLADE MEMBERS PROJECTING AXIALLY FROM SAID HEAD INTO CLOSELY SPACED RELATION TO SAID CLOSURE MEANS, SAID MEMBERS DISPOSED IN SPACED PARALLELISM TO A RADIAL PLANE MEDIALLY THEREBETWEEN THROUGH THE ROTATIONAL AXIS OF SAID HEAD, SAID BLADE MEMBERS HAVING FORWARD CUTTING EDGE PORTIONS INCLINED FROM BASE PORTIONS NORMAL TO THE HEAD RESPECTIVELY IN OPPOSITE DIRECTIONS AWAY FROM SAID RADIAL PLANE, AND A TURBINE MOUNTED FOR ROTATION WITHIN SAID PASSAGE AND COUPLED IN DRIVING RELATION TO SAID HEAD.
Claim 2
Dependent Claim
130 words
A VACUUM OPERATED HAIR CLIPPING DEVICE COMPRISING A HOUSING HAVING AN AIR PASSAGE THEREIN ADAPTED FOR COMMUNICABLE CONNECTION TO AN AIR PUMP, CLOSURE MEANS AT ONE END OF SAID PASSAGE HAVING HAIR INLET PERFORMATIONS THEREIN, A CUTTER HEAD MOUNTED FOR ROTATION WITHIN SAID PASSAGE ADJACENT SAID CLOSURE MEANS, A PAIR OF SUBSTANTIALLY RECTANGULAR CUTTING BLADE MEMBERS PROJECTING AXIALLY FROM SAID HEAD INTO CLOSELY SPACED RELATION TO SAID CLOSURE MEANS, SAID MEMBERS DISPOSED IN SPACED PARALLELISM TO A RADIAL PLANE MEDIALLY THEREBETWEEN THROUGH THE ROTATIONAL AXIS OF SAID HEAD, SAID BLADE MEMBERS HAVING FORWARD CUTTING EDGE PORTIONS INCLINED FROM BASE PORTIONS NORMAL TO THE HEAD RESPECTIVELY IN OPPOSITE DIRECTIONS AWAY FROM SAID RADIAL PLANE, AND A TURBINE MOUNTED FOR ROTATION WITHIN SAID PASSAGE AND COUPLED IN DRIVING RELATION TO SAID HEAD.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-06-30 | 1967-12-30 | 1968-06-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-06-30 | 1971-12-30 | 1972-06-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-06-30 | 1975-12-30 | 1976-06-30 | $7700.00 | Window Closed / Lapsed |