Patent US3353776A successfully refreshed from Google Patents.
US3353776A
Expired / Lapsed
US
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Articulated tripod head
Assignee: National Cine Equipment Inc
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Filing: 1966-04-06
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Granted: 1967-11-21
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Expires: 1986-04-06
Abstract
No abstract record available.
Inventors
- 👤 John A Clemens
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 20:34
CPC Classifications
F; F16; F16M; F16M11/00; F16M11/20; F16M11/2007; F16M11/2014; F16M11/02; F16M11/04; F16M11/06; F16M11/10; F16M2200/00; F16M2200/02; F16M2200/021; F16M2200/022
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
88 words
AN ARTICULATED TRIPOD HEAD COMPRISING A BASE, A HEMISPHERIC LEVELING MEMBER TILTABLY CARRIED UPON THE BASE, A CUP-SHAPED HOUSING SECURED TO THE LEVELING MEMBER, A BEARING BLOCK FREELY CARRIED WITHIN THE CUP-SHAPED HOUSING, A QUANTITY OF SILICONE GREASE BETWEEN THE BEARING BLOCK AND CUP-SHAPED HOUSING TO YIELDABLY RESIST RELATIVE MOTION BETWEEN THE SAID BLOCK AND HOUSING, A TILT HOUSING SECURED TO THE BEARING BLOCK, AN OUTER BARREL AXIALLY AND ROTATABLY SUPPORTED BY THE TILT HOUSING, AN INNER BARREL WITHIN THE OUTER BARREL FIXEDLY SUPPORTED BY THE TILT HOUS-
Claim 2
Dependent Claim
88 words
AN ARTICULATED TRIPOD HEAD COMPRISING A BASE, A HEMISPHERIC LEVELING MEMBER TILTABLY CARRIED UPON THE BASE, A CUP-SHAPED HOUSING SECURED TO THE LEVELING MEMBER, A BEARING BLOCK FREELY CARRIED WITHIN THE CUP-SHAPED HOUSING, A QUANTITY OF SILICONE GREASE BETWEEN THE BEARING BLOCK AND CUP-SHAPED HOUSING TO YIELDABLY RESIST RELATIVE MOTION BETWEEN THE SAID BLOCK AND HOUSING, A TILT HOUSING SECURED TO THE BEARING BLOCK, AN OUTER BARREL AXIALLY AND ROTATABLY SUPPORTED BY THE TILT HOUSING, AN INNER BARREL WITHIN THE OUTER BARREL FIXEDLY SUPPORTED BY THE TILT HOUS-
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) | 1970-11-20 | 1971-05-22 | 1971-11-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-11-20 | 1975-05-22 | 1975-11-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-11-20 | 1979-05-22 | 1979-11-21 | $7700.00 | Window Closed / Lapsed |