Patent US5509128A successfully refreshed from Google Patents.
Patent US3002866A successfully refreshed from Google Patents.
US3002866A
Expired / Lapsed
US
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Inking roll
Assignee: Uniroyal Inc
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Filing: 1956-05-15
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Granted: 1961-10-03
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Expires: 1976-05-15
Abstract
No abstract record available.
Inventors
- 👤 Robert D Gartrell
- 👤 Robert A Gregg
- 👤 Richard J Farrell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 12:49
CPC Classifications
C; C08; C08G; C08G18/00; C08G18/06; C08G18/28; C08G18/40; C08G18/42; C08G18/4236; C08G18/4238; C08G18/4241; B; B29; B29D; B29D99/00; B29D99/0032; B29D99/0035; B41; B41N; B41N7/00; B41N7/06; B29K; B29K2075/00; B29L; B29L2031/00; B29L2031/32; B29L2031/324; B41N2207/00; B41N2207/02; B41N2207/14
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
87 words
AN INKING ROLL COVERED WITH A LAYER OF NON-POROUS POLYURETHANE MATERIAL COMPRISED OF THE REACTION PRODUCT OF AN ALKYD POLYESTER HAVING AN AVERAGE NUMBER OF REACTIVE ALCOHOLIC HYDROXYL GROUPS GREATER THAN 2.0 PER MOLECULE, SAID ALKYD POLYESTER BEING PREPARED FROM AN ESTERIFICATION REACTION MIX CONTAINING PREDOMINANTLY A DIHYDRIC ALCOHOL AND A DICARBOXYLIC ACID IN ADMIXTURE WITH A LESSER QUANTITY OF A POLYFUNCTIONAL COMPOUND SELECTED FROM THE GROUP CONSISTING OF A POLYHYDRIC ALCOHOL HAVING MORE THAN TWO REACTIVE -OH GROUPS AND A POLYCARBOXYLIC ACID HAVING MORE THAN TWO
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-10-02 | 1965-04-03 | 1965-10-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-10-02 | 1969-04-03 | 1969-10-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-10-02 | 1973-04-03 | 1973-10-03 | $7700.00 | Window Closed / Lapsed |