Patent US3354972A successfully refreshed from Google Patents.
US3354972A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Weigh scale with beam acting as piston in pneumatic dampener
Assignee: FIJN MECHANISCHE IND BECKER S
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Filing: 1966-10-10
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Granted: 1967-11-28
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Expires: 1986-10-10
Abstract
No abstract record available.
Inventors
- 👤 Hammerschlag Alfred
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 08:11
CPC Classifications
G; G01; G01G; G01G23/00; G01G23/06; G01G23/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
101 words
A BALANCE WEIGHING DEVICE COMPRISING A BOX-SHAPED SUPPORT, A BI-ARMED BALANCE BEAM, BEARING MEANS, SAID BEAM BEING PIVOTALLY SUPPORTED IN SAID SUPPORT BY SAID BEARING MEANS, AN AIR FILLED CHAMBER WITHIN SAID SUPPORT, A SUBSTANTIALLY VERTICL PARTITION DIVIDING SAID CHAMBER INTO TWO COMPARTMENTS, SAID PARTITION PROVIDING NARROW PASSAGES OPERATIVELY INTERCONNECTING SAID COMPARTMENTS, THE ARMS OF SAID BEAM EXTENDING OPPOSITELY OF EACH OTHER ON DIFFERENT SIDES OF SAID PARTITION AND FORMING, IN SAID CHAMBER, PISTONWISE MOVABLE WALL PARTS OF SAID COMPARTMENTS, RESPECTIVELY, SO AS TO CONSTITUTE, TOGETHER WITH SAID AIR FILLED COMPARTMENTS, SAID PARTITION AND SAID PASSAGES DAMPING MEANS FO SAID BEAM
Claim 2
Dependent Claim
101 words
A BALANCE WEIGHING DEVICE COMPRISING A BOX-SHAPED SUPPORT, A BI-ARMED BALANCE BEAM, BEARING MEANS, SAID BEAM BEING PIVOTALLY SUPPORTED IN SAID SUPPORT BY SAID BEARING MEANS, AN AIR FILLED CHAMBER WITHIN SAID SUPPORT, A SUBSTANTIALLY VERTICL PARTITION DIVIDING SAID CHAMBER INTO TWO COMPARTMENTS, SAID PARTITION PROVIDING NARROW PASSAGES OPERATIVELY INTERCONNECTING SAID COMPARTMENTS, THE ARMS OF SAID BEAM EXTENDING OPPOSITELY OF EACH OTHER ON DIFFERENT SIDES OF SAID PARTITION AND FORMING, IN SAID CHAMBER, PISTONWISE MOVABLE WALL PARTS OF SAID COMPARTMENTS, RESPECTIVELY, SO AS TO CONSTITUTE, TOGETHER WITH SAID AIR FILLED COMPARTMENTS, SAID PARTITION AND SAID PASSAGES DAMPING MEANS FO SAID BEAM
References Cited (Backward Citations)
US1211881A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-11-27 | 1971-05-29 | 1971-11-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-11-27 | 1975-05-29 | 1975-11-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-11-27 | 1979-05-29 | 1979-11-28 | $7700.00 | Window Closed / Lapsed |