US2709359A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Machine for selectively testing the effects of weathering on rubber
Assignee: Bridgestone Firestone Inc
•
Filing: 1952-04-01
•
Granted: 1955-05-31
•
Expires: 1972-04-01
Abstract
No abstract record available.
Inventors
- 👤 Koch Joseph
- 👤 Ford Earl William
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 04:41
CPC Classifications
G; G01; G01N; G01N17/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
129 words
TEST APPARATUS FOR EXPOSING RUBBER TEST STRIPS TO VARIOUS ATMOSPHERIC CONDITIONS WHILE HOLDING SAID STRIPS IN VARIOUS DEGREES OF ELONGATION COMPRISING A TABLE ADAPTED TO ROTATE TO PASS ITS EDGES IN CONTINUING SEQUENCE PAST A NUMBER OF TEST POSITIONS DIFFERENT ATMOSHERIC CHARACTERISTICS, MEANS ON SAID TABLE FOR SIMULTANEOUSLY SUPPORTING A PLURALITY OF STRIPS OF MATERIAL IN VARIOUS DEGREES OF ELONGATION OF SOME OF SAID STRIPS WHILE SAID TABLE IS ROTATING COMPRISING A CLAMP ON SAID TABLE FOR CLAMPING AN END OF SAID TEST STRIP, AN ELEMENT MOUNTED FEOR RECIPROCATION AXIALLY OF SAID TABLE, A RECIPROCATING MEMBER ADAPTED FOR SLIDING MOTION PARALLEL TO THE AXIS OF SAID TABLE AND ADAPTED AT ONE END TO HOLD THE OTHER END OF THE STRIP, LEVERS ARRANGED RADIALLY OF SAID TABLE AND EACH HAV-
Claim 2
Dependent Claim
129 words
TEST APPARATUS FOR EXPOSING RUBBER TEST STRIPS TO VARIOUS ATMOSPHERIC CONDITIONS WHILE HOLDING SAID STRIPS IN VARIOUS DEGREES OF ELONGATION COMPRISING A TABLE ADAPTED TO ROTATE TO PASS ITS EDGES IN CONTINUING SEQUENCE PAST A NUMBER OF TEST POSITIONS DIFFERENT ATMOSHERIC CHARACTERISTICS, MEANS ON SAID TABLE FOR SIMULTANEOUSLY SUPPORTING A PLURALITY OF STRIPS OF MATERIAL IN VARIOUS DEGREES OF ELONGATION OF SOME OF SAID STRIPS WHILE SAID TABLE IS ROTATING COMPRISING A CLAMP ON SAID TABLE FOR CLAMPING AN END OF SAID TEST STRIP, AN ELEMENT MOUNTED FEOR RECIPROCATION AXIALLY OF SAID TABLE, A RECIPROCATING MEMBER ADAPTED FOR SLIDING MOTION PARALLEL TO THE AXIS OF SAID TABLE AND ADAPTED AT ONE END TO HOLD THE OTHER END OF THE STRIP, LEVERS ARRANGED RADIALLY OF SAID TABLE AND EACH HAV-
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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) | 1958-05-30 | 1958-11-29 | 1959-05-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-05-30 | 1962-11-29 | 1963-05-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-05-30 | 1966-11-29 | 1967-05-31 | $7700.00 | Window Closed / Lapsed |