Patent US3145088A successfully refreshed from Google Patents.
US3145088A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rubber drying
Assignee: Phillips Petroleum Co
•
Filing: 1961-03-03
•
Granted: 1964-08-18
•
Expires: 1981-03-03
Abstract
No abstract record available.
Inventors
- 👤 Dwight L Mckay
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 21:33
CPC Classifications
B; B29; B29B; B29B13/00; B29B13/06; B29K; B29K2021/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
77 words
IN A PROCESS OF DRYING WET RUBBER CRUMB OBTAINED FROM A WASH ZONE USING A RADIANT HEAT SOURCE IN WHICH AT LEAST ONE-HALF OF THE TOAL RADIANT ENERGY FROM THE SOURCE LIES IN THE RANGE OF 1 TO 7 MICRONS WAVELENGTH, THE IMPROVEMENT COMPRISING FILTERING UP TO 20 PERCENT OF THE ENERGY FROM THE SOURCE TO REMOVE RADIANT ENERGY IN THE RANGE OF 3 TO 4 MICRONS WAVELENGTH, AND EXPOSING SAID RUBBER TO THE THUS FILTERED RADIATION.
Claim 2
Dependent Claim
77 words
IN A PROCESS OF DRYING WET RUBBER CRUMB OBTAINED FROM A WASH ZONE USING A RADIANT HEAT SOURCE IN WHICH AT LEAST ONE-HALF OF THE TOAL RADIANT ENERGY FROM THE SOURCE LIES IN THE RANGE OF 1 TO 7 MICRONS WAVELENGTH, THE IMPROVEMENT COMPRISING FILTERING UP TO 20 PERCENT OF THE ENERGY FROM THE SOURCE TO REMOVE RADIANT ENERGY IN THE RANGE OF 3 TO 4 MICRONS WAVELENGTH, AND EXPOSING SAID RUBBER TO THE THUS FILTERED RADIATION.
References Cited (Backward Citations)
US1518141A
Cited
US1681276A
Cited
US2139797A
Cited
US2498560A
Cited
US2567952A
Cited
US2668364A
Cited
US2912558A
Cited
US3015253A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-08-18 | 1968-02-17 | 1968-08-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-08-18 | 1972-02-17 | 1972-08-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-08-18 | 1976-02-17 | 1976-08-18 | $7700.00 | Window Closed / Lapsed |