US3138749A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Incremental feed mechanisms
Assignee: Individual
•
Filing: 1962-03-05
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Granted: 1964-06-23
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Expires: 1982-03-05
Abstract
No abstract record available.
Inventors
- 👤 George R Stibitz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:44
CPC Classifications
G; G05; G05D; G05D3/00; G05D3/12; G05D3/121; H; H02; H02N; H02N2/00; H02N2/02; H02N2/021; H02N2/023
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
82 words
A DEVICE FOR PRODUCING PRECISELY CONTROLLED MOTIONS BY ACCUMULATION OF INCREMENTAL MOTIONS, COMPRISING A RIGID MEANS, A RIGID BASE, A MULTIPLICITY OF EXPANSIBLE MEANS SECURED TO SAID BASE, EACH OF SAID EXPANSIBLE MEANS BEING CONSTRUCTED FOR INCREMENTAL MOTION, COUPLING MEANS INCLUDING FRICTION CLUTCH MEANS ADJUSTED TO APPLY FRICTIONAL FORCE OF ESSENTIALLY CONSTANT MAGNITUDE BETWEEN PORTIONS OF SAID EXPANSIBLE MEANS AND SAID RIGID MEANS, AND CONTROL MEANS TO CAUSE SAID EXPANSIBLE MEANS TO EXPAND AND CONTRACT IN A PREDETERMINED SEQUENCE OF INCREMENTAL MOTIONS.
Claim 2
Independent Claim
82 words
A DEVICE FOR PRODUCING PRECISELY CONTROLLED MOTIONS BY ACCUMULATION OF INCREMENTAL MOTIONS, COMPRISING A RIGID MEANS, A RIGID BASE, A MULTIPLICITY OF EXPANSIBLE MEANS SECURED TO SAID BASE, EACH OF SAID EXPANSIBLE MEANS BEING CONSTRUCTED FOR INCREMENTAL MOTION, COUPLING MEANS INCLUDING FRICTION CLUTCH MEANS ADJUSTED TO APPLY FRICTIONAL FORCE OF ESSENTIALLY CONSTANT MAGNITUDE BETWEEN PORTIONS OF SAID EXPANSIBLE MEANS AND SAID RIGID MEANS, AND CONTROL MEANS TO CAUSE SAID EXPANSIBLE MEANS TO EXPAND AND CONTRACT IN A PREDETERMINED SEQUENCE OF INCREMENTAL MOTIONS.
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) | 1967-06-23 | 1967-12-23 | 1968-06-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-06-23 | 1971-12-23 | 1972-06-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-06-23 | 1975-12-23 | 1976-06-23 | $7700.00 | Window Closed / Lapsed |