Patent US3273774A successfully refreshed from Google Patents.
US3273774A
Expired / Lapsed
US
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Electrostatic web feeding apparatus
Assignee: RCA Corp
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Filing: 1962-09-27
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Granted: 1966-09-20
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Expires: 1982-09-27
Abstract
No abstract record available.
Inventors
- 👤 Richard C Hansen
- 👤 Martin L Levene
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 07:07
CPC Classifications
G; G11; G11B; G11B15/00; G11B15/18; G11B15/26
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
102 words
APPARATUS FOR FEEDING A TAPE ALONG A PATH COMPRISING AT LEAST ONE PAIR OF DRIVE UNIT HAVING SURFACES EXTENDING LONGITUDINALLY ALONG SAID PATH AND HAVING A HEEL AND A TOE AT OPPOSITE END THEREOF, SAID PAIR OF DRIVE UNITS BEING SPACED FROM EACH OTHER ALONG SAID PATH WITH SAID HEEL AND TOE ENDS OF DIFFERENT ONES OF SAID PATH WITH UNITS DISPOSED SUCCESSIVELY ALONG SAID PATH, SAID HEEL END OF EACH OF SAID PAIR OF UNITS BEING CLOSER TO SAID PATH THAN SAID TOE END THEREOF, AND MEANS FOR ELECTRICALLY ENERGIZING SAID PAIR OF DRIVE UNITS FOR ALTERNATELY ATTRACTING SAID TAPE THERETO.
Claim 2
Dependent Claim
102 words
APPARATUS FOR FEEDING A TAPE ALONG A PATH COMPRISING AT LEAST ONE PAIR OF DRIVE UNIT HAVING SURFACES EXTENDING LONGITUDINALLY ALONG SAID PATH AND HAVING A HEEL AND A TOE AT OPPOSITE END THEREOF, SAID PAIR OF DRIVE UNITS BEING SPACED FROM EACH OTHER ALONG SAID PATH WITH SAID HEEL AND TOE ENDS OF DIFFERENT ONES OF SAID PATH WITH UNITS DISPOSED SUCCESSIVELY ALONG SAID PATH, SAID HEEL END OF EACH OF SAID PAIR OF UNITS BEING CLOSER TO SAID PATH THAN SAID TOE END THEREOF, AND MEANS FOR ELECTRICALLY ENERGIZING SAID PAIR OF DRIVE UNITS FOR ALTERNATELY ATTRACTING SAID TAPE THERETO.
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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) | 1969-09-19 | 1970-03-21 | 1970-09-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-09-19 | 1974-03-21 | 1974-09-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-09-19 | 1978-03-21 | 1978-09-20 | $7700.00 | Window Closed / Lapsed |