Patent US3235200A successfully refreshed from Google Patents.
US3235200A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tape tens ion device
Assignee: —
•
Filing: —
•
Granted: 1966-02-15
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Expires: 1983-02-15
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 19:46
CPC Classifications
G; G11; G11B; G11B15/00; G11B15/18; G11B15/43
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
91 words
IN A TAPE TENSIONING SYSTEM INCLUDING A SUPPLY REEL AND A BRAKE THEREFOR, THE COMBINATION COMPRISING: ELECTRO-MAGNETIC MEANS FOR IMPOSING A FIRST FORCE ON SAID BRAKE TO PLACE SAID TAPE UNDER TENSION; VARIABLE MEANS FOR SUPPLYING CURRENT TO SAID ELECTROMAGNETIC MEANS TO ESTABLISH SAID FIRST FORCE; AND MEANS FOR SENSING THE TENSION OF SAID TAPE AND DEVELOPING A SECOND FORCE VARYING AS A FUNCTION OF SAID TENSION; SAID ELECTRO-MAGNETIC MEANS, SAID SENSING MEANS AND SAID BRAKE BEING COUPLED TOGETHER, WITH SAID FIRST AND SECOND FORCES ACTING IN OPPOSITION UPON SAID BRAKE.
Claim 2
Dependent Claim
91 words
IN A TAPE TENSIONING SYSTEM INCLUDING A SUPPLY REEL AND A BRAKE THEREFOR, THE COMBINATION COMPRISING: ELECTRO-MAGNETIC MEANS FOR IMPOSING A FIRST FORCE ON SAID BRAKE TO PLACE SAID TAPE UNDER TENSION; VARIABLE MEANS FOR SUPPLYING CURRENT TO SAID ELECTROMAGNETIC MEANS TO ESTABLISH SAID FIRST FORCE; AND MEANS FOR SENSING THE TENSION OF SAID TAPE AND DEVELOPING A SECOND FORCE VARYING AS A FUNCTION OF SAID TENSION; SAID ELECTRO-MAGNETIC MEANS, SAID SENSING MEANS AND SAID BRAKE BEING COUPLED TOGETHER, WITH SAID FIRST AND SECOND FORCES ACTING IN OPPOSITION UPON SAID BRAKE.
References Cited (Backward Citations)
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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) | 1969-02-14 | 1969-08-16 | 1970-02-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-02-14 | 1973-08-16 | 1974-02-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-02-14 | 1977-08-16 | 1978-02-15 | $7700.00 | Window Closed / Lapsed |