US3295655A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Double utility typewriter spool
Assignee: Individual
•
Filing: 1963-07-26
•
Granted: 1967-01-03
•
Expires: 1983-07-26
Abstract
No abstract record available.
Inventors
- 👤 Landgraf Walter David
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 13:25
CPC Classifications
B; B41; B41J; B41J33/00; B41J33/003
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
99 words
A SPOOL FOR A TYPEWRITER RIBBON INCLUDING A FIRST SPOOL COMPONENT, A SECOND SPOOL COMPONENT, EACH OF SAID COMPONENTS INCLUDING AN APPROXIMATELY CIRCULAR FLANGE, THE FLANGES BEING OF SUBSTANTIALLY EQUAL DIAMETER, MEANS FOR SECURING SAID SPOOL COMPONENTS IN IRROTATIONAL RELATION TO FORM A DOUBLY FLANGED SPOOL, WHEREIN THE TWO FLANGES ARE SPACED IN PARALLEL PLANES BY SAID MEANS FOR SECURING, SAID COMPONENTS BEING SEPARATE AND WHEN SEPARATED ONE OF SAID COMPONENTS FORMING A SINGLY FLANGED SPOOL, SAID SINGLY FLANGED SPOOL HAVING MEANS INTEGRAL THEREWITH FOR SECURING SAID TYPEWRITER RIBBON THERETO, SAID SINGLY FLANGED SPOOL AND SAID DOUBLY FLANGED SPOOL
Claim 2
Dependent Claim
99 words
A SPOOL FOR A TYPEWRITER RIBBON INCLUDING A FIRST SPOOL COMPONENT, A SECOND SPOOL COMPONENT, EACH OF SAID COMPONENTS INCLUDING AN APPROXIMATELY CIRCULAR FLANGE, THE FLANGES BEING OF SUBSTANTIALLY EQUAL DIAMETER, MEANS FOR SECURING SAID SPOOL COMPONENTS IN IRROTATIONAL RELATION TO FORM A DOUBLY FLANGED SPOOL, WHEREIN THE TWO FLANGES ARE SPACED IN PARALLEL PLANES BY SAID MEANS FOR SECURING, SAID COMPONENTS BEING SEPARATE AND WHEN SEPARATED ONE OF SAID COMPONENTS FORMING A SINGLY FLANGED SPOOL, SAID SINGLY FLANGED SPOOL HAVING MEANS INTEGRAL THEREWITH FOR SECURING SAID TYPEWRITER RIBBON THERETO, SAID SINGLY FLANGED SPOOL AND SAID DOUBLY FLANGED SPOOL
References Cited (Backward Citations)
US2853175A
Cited
US2873839A
Cited
US2925164A
Cited
US2873014A
Cited
US2949994A
Cited
US3042180A
Cited
US3008561A
Cited
US3045800A
Cited
US3112020A
Cited
US3094204A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-01-02 | 1970-07-04 | 1971-01-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-01-02 | 1974-07-04 | 1975-01-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-01-02 | 1978-07-04 | 1979-01-03 | $7700.00 | Window Closed / Lapsed |