US3265515A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for restoring punched cards
Assignee: Individual
•
Filing: 1964-06-01
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Granted: 1966-08-09
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Expires: 1984-06-01
Abstract
No abstract record available.
Inventors
- 👤 Paul C Wilhelmsen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 02:15
CPC Classifications
G; G06; G06K; G06K21/00; G06K21/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
81 words
A METHOD OF RESTORING HOLES IN A PUNCHED CARD WHICH COMPRISES FILLING SAID HOLES INDIVIDUALLY, WITHOUT SUBSTANTIALLY ALTERING THE DIMENSIONS OF SAID CARD, WITH A SUBSTANTIALLY OPAQUE COMPOSITION CONSISTING ESSENTIALLY OF A FILM-FORMING PLASTIC MATERIAL WHICH IS SOLID AND FLEXIBLE AT ROOM TEMPERATURE, A SUBSTANTIALLY OPAQUE PIGMENT, AND A SOLVENT FOR SAID PLASTIC MATERIAL, SAID COMPOSITION HAVING A VISCOSITY FROM ABOUT 150 TO 15,000 CENTISTOKES AT 20*C., AND A SURFACE TENSION LESS THAN ABOUT 40 DYNES PER SQUARE CENTIMETER AT 25*C.
Claim 2
Independent Claim
81 words
A METHOD OF RESTORING HOLES IN A PUNCHED CARD WHICH COMPRISES FILLING SAID HOLES INDIVIDUALLY, WITHOUT SUBSTANTIALLY ALTERING THE DIMENSIONS OF SAID CARD, WITH A SUBSTANTIALLY OPAQUE COMPOSITION CONSISTING ESSENTIALLY OF A FILM-FORMING PLASTIC MATERIAL WHICH IS SOLID AND FLEXIBLE AT ROOM TEMPERATURE, A SUBSTANTIALLY OPAQUE PIGMENT, AND A SOLVENT FOR SAID PLASTIC MATERIAL, SAID COMPOSITION HAVING A VISCOSITY FROM ABOUT 150 TO 15,000 CENTISTOKES AT 20*C., AND A SURFACE TENSION LESS THAN ABOUT 40 DYNES PER SQUARE CENTIMETER AT 25*C.
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) | 1969-08-08 | 1970-02-07 | 1970-08-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-08 | 1974-02-07 | 1974-08-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-08 | 1978-02-07 | 1978-08-09 | $7700.00 | Window Closed / Lapsed |