US3304102A
Expired / Lapsed
US
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Data card
Assignee: Hamilton Tool Co
•
Filing: 1966-02-18
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Granted: 1967-02-14
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Expires: 1986-02-18
Abstract
No abstract record available.
Inventors
- 👤 Harold W Huffman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 16:50
CPC Classifications
B; B41; B41L; B41L1/00; B41L1/20; B41L1/26; B41L1/32; B41L1/326; B42; B42D; B42D5/00; B42D5/02; B42D5/023; B42D5/027
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
115 words
A PRECISION DATA CARD WHICH IS STRUCK FROM A TRAVELING WEB OF CARD STOCK HAVING OPPOSITE SIDE MARGINS PERFORATED ALONG STRAIGHT LINES EXTENDING IN THE DIRECTION OF WEB TRAVEL; SAID DATA CARD DEFINED BY OPPOSITE END EDGES IN PARALLELISM, AND OPPOSITE SIDE EDGES IN PARALLELISM, ARRANGED TO ENCOMPASS A RECTANGLE; THE END EDGES EACH COMPRISING TWO ADJACENT STRAIGHT PARALLEL LINES OF SLITS IN THE WEB SPACED INWARDLY OF AND IN PARALLELISM WITH A LINE OF THE MARGINAL PERFORATIONS, THE SLITS OF EACH LINE OF SLITS HAVING OPPOSITE ENDS SPACED FROM ONE ANOTHER TO PROVIDE UNCUT CONNECTING TIES OF CARD STOCK THEREBETWEEN, WITH THE SLITS OF ONE LINE OF SLITS OVERSPANNING THE ENDS OF THE SLITS
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) | 1970-02-13 | 1970-08-15 | 1971-02-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-02-13 | 1974-08-15 | 1975-02-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-02-13 | 1978-08-15 | 1979-02-14 | $7700.00 | Window Closed / Lapsed |