US3129104A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Synthetic wax substitutes for carnauba wax and transfer ink compositions containing such substitutes
Assignee: International Business Machines Corp
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Filing: 1961-01-09
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Granted: 1964-04-14
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Expires: 1981-01-09
Abstract
No abstract record available.
Inventors
- 👤 Thomas D Callinan
- 👤 Joseph S Crimi
- 👤 Hansel L Mcgee
- 👤 Ann M Parks
- 👤 Paul M Schwartz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 08:56
CPC Classifications
C; C09; C09D; C09D11/00; C09D11/02; C09D11/12; B; B41; B41M; B41M5/00; B41M5/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
33 words
CARBON TRANSFER INKS OF THE HOT-MELT TYPE COMPRISING AS THE WAX INGREDIENT FROM 30% TO 50% BY WEIGHT OF AT LEAST ONE COMPOUND SELECTED FROM THE CLASS OF COMPOUNDS HAVING THE GENERAL FORMULA:
Claim 2
Dependent Claim
33 words
CARBON TRANSFER INKS OF THE HOT-MELT TYPE COMPRISING AS THE WAX INGREDIENT FROM 30% TO 50% BY WEIGHT OF AT LEAST ONE COMPOUND SELECTED FROM THE CLASS OF COMPOUNDS HAVING THE GENERAL FORMULA:
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) | 1967-04-14 | 1967-10-14 | 1968-04-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-04-14 | 1971-10-14 | 1972-04-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-04-14 | 1975-10-14 | 1976-04-14 | $7700.00 | Window Closed / Lapsed |