US3115944A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Supporting and weighing device with elastomeric sealing ring
Assignee: NAT TESTING AND RES LAB Inc
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Filing: 1959-07-13
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Granted: 1963-12-31
•
Expires: 1979-07-13
Abstract
No abstract record available.
Inventors
- 👤 Milton N Weber
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 05:35
CPC Classifications
G; G01; G01G; G01G5/00; G01G5/006
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
130 words
IN A LOAD SUPPORTING AND WEIGHING DEVICE, A PAIR OF PLATES, CYLINDERS HAVING SMOOTH ADJACENT WALLS SECURED TO SAID PLATES AND DISPOSED IN TELESCOPED SPACED RELATION TO EACH OTHER, A RING IN THE FORM OF A HOLLOW TUBE OF ELASTOMERIC MATERIAL DISPOSED BETWEEN THE SMOOTH WALLS OF SAID CYLINDERS, WITH THE TUBE FLATTENED A SUBSTANTIAL AMOUNT AND SEALING AN AREA WITHIN THE CYLINDERS TO FORM AN AIR CHAMBER, AN A DEVICE HAVING TWO MOVING PARTS SECURED TO THE PLATES AND CONTAINING VALVE MEANS WHICH CONTROLS THE FLOW OF AIR TO AND FROM THE CHAMBER WHEN THE PLATES ARE MOVED TOWARD AND AWAY FROM EACH OTHER, THE AREA BETWEEN THE TWO MOVING PARTS OF THE DEVICE FORMING A CHAMBER COMMUNICATING WITH SAID FIRST CHAMBER AND OPERATING AS A SUPPORTING DEVICE THEREWITH.
Claim 2
Dependent Claim
130 words
IN A LOAD SUPPORTING AND WEIGHING DEVICE, A PAIR OF PLATES, CYLINDERS HAVING SMOOTH ADJACENT WALLS SECURED TO SAID PLATES AND DISPOSED IN TELESCOPED SPACED RELATION TO EACH OTHER, A RING IN THE FORM OF A HOLLOW TUBE OF ELASTOMERIC MATERIAL DISPOSED BETWEEN THE SMOOTH WALLS OF SAID CYLINDERS, WITH THE TUBE FLATTENED A SUBSTANTIAL AMOUNT AND SEALING AN AREA WITHIN THE CYLINDERS TO FORM AN AIR CHAMBER, AN A DEVICE HAVING TWO MOVING PARTS SECURED TO THE PLATES AND CONTAINING VALVE MEANS WHICH CONTROLS THE FLOW OF AIR TO AND FROM THE CHAMBER WHEN THE PLATES ARE MOVED TOWARD AND AWAY FROM EACH OTHER, THE AREA BETWEEN THE TWO MOVING PARTS OF THE DEVICE FORMING A CHAMBER COMMUNICATING WITH SAID FIRST CHAMBER AND OPERATING AS A SUPPORTING DEVICE THEREWITH.
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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) | 1966-12-30 | 1967-07-01 | 1967-12-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-12-30 | 1971-07-01 | 1971-12-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-12-30 | 1975-07-01 | 1975-12-31 | $7700.00 | Window Closed / Lapsed |