Patent US3317155A successfully refreshed from Google Patents.
US3317155A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ribbon spool
Assignee: Royal Typewriter Co Inc
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Filing: 1965-06-07
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Granted: 1967-05-02
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Expires: 1985-06-07
Abstract
No abstract record available.
Inventors
- 👤 Carl A Geissler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 14:17
CPC Classifications
B; B41; B41J; B41J33/00; B41J33/003
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
66 words
A CARBON RIBBON TAKE-UP SPOOL COMPRISING A FIRST FLANGE ADAPTED TO BE ROTATABLY MOUNTED ON A MACHINE FRAME AND DRIVEN TO WIND USED RIBBON ON SAID SPOOL, A SECOND CIRCULAR FLANGE, A COAXIAL HUB ON SAID SECOND FLANGE, MEANS FOR RELEASABLY SECURING SAID HUB COAXIALLY TO SAID FIRST FLANGE, A NORMALLY CONTRACTED RADIALLY EXPANDABLE ELEMENT ATTACHED TO AND AXIALLY COEXTENSIVE WITH SAID HUB BETWEEN SAID FLANGES,
Claim 2
Dependent Claim
66 words
A CARBON RIBBON TAKE-UP SPOOL COMPRISING A FIRST FLANGE ADAPTED TO BE ROTATABLY MOUNTED ON A MACHINE FRAME AND DRIVEN TO WIND USED RIBBON ON SAID SPOOL, A SECOND CIRCULAR FLANGE, A COAXIAL HUB ON SAID SECOND FLANGE, MEANS FOR RELEASABLY SECURING SAID HUB COAXIALLY TO SAID FIRST FLANGE, A NORMALLY CONTRACTED RADIALLY EXPANDABLE ELEMENT ATTACHED TO AND AXIALLY COEXTENSIVE WITH SAID HUB BETWEEN SAID FLANGES,
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) | 1970-05-01 | 1970-10-31 | 1971-05-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-05-01 | 1974-10-31 | 1975-05-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-05-01 | 1978-10-31 | 1979-05-02 | $7700.00 | Window Closed / Lapsed |