Patent US3299435A successfully refreshed from Google Patents.
US3299435A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Measuring and recording instrument
Assignee: E H SARGENT AND CO
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Filing: 1964-07-30
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Granted: 1967-01-17
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Expires: 1984-07-30
Abstract
No abstract record available.
Inventors
- 👤 Garfield A Dawe
- 👤 Carl A Nielsen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 19:37
CPC Classifications
G; G01; G01D; G01D15/00; G01D15/24
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
158 words
IN A MEASURING AND RECORDING INSTRUMENT HAVING RECORDING MEANS ADJACENT A CHART FEED ROLL AND MOVABLE ACROSS A CHART FOR MAKING A RECORD ON THE CHART, THE IMPROVEMENT COMPRISING, A FRAME INCLUDING A PAIR OF SIDE PLATES, A SHAFT EXTENDING BETWEEN AND ROTATABLY MOUNTED IN SAID SIDE PLATES ADJACENT THE TOP OF THE FRAME, A CHART FEED ROLL FIXEDLY SECURED TO SAID SHAFT BETWEEN SAID SIDE PLATES FOR ADVANCING THE CHART, A SYNTHETIC PLASTIC DRIVE GEAR ROTATABLY MOUNTED ON SAID SHAFT BETWEEN ONE END OF SAID CHART DRIVE ROLL AND ONE OF SAID SIDE PLATES, A HARDENED STEEL THRUST WASHER ABOUT SAID SHAFT BETWEEN SAID DRIVE GEAR AND SAID ONE SIDE PLATE AND SECURED TO SAID ONE SIDE PLATE, A CORK FRICTION WASHER ABOUT SAID SHAFT BETWEEN SAID DRIVE GEAR AND SAID ONE END OF SAID CHART FEED ROLL AND SECURED TO SAID ONE END OF SAID CHART FEED ROLL, SPRING MEANS CARRIED BY THE OTHER OF SAID
Claim 2
Dependent Claim
158 words
IN A MEASURING AND RECORDING INSTRUMENT HAVING RECORDING MEANS ADJACENT A CHART FEED ROLL AND MOVABLE ACROSS A CHART FOR MAKING A RECORD ON THE CHART, THE IMPROVEMENT COMPRISING, A FRAME INCLUDING A PAIR OF SIDE PLATES, A SHAFT EXTENDING BETWEEN AND ROTATABLY MOUNTED IN SAID SIDE PLATES ADJACENT THE TOP OF THE FRAME, A CHART FEED ROLL FIXEDLY SECURED TO SAID SHAFT BETWEEN SAID SIDE PLATES FOR ADVANCING THE CHART, A SYNTHETIC PLASTIC DRIVE GEAR ROTATABLY MOUNTED ON SAID SHAFT BETWEEN ONE END OF SAID CHART DRIVE ROLL AND ONE OF SAID SIDE PLATES, A HARDENED STEEL THRUST WASHER ABOUT SAID SHAFT BETWEEN SAID DRIVE GEAR AND SAID ONE SIDE PLATE AND SECURED TO SAID ONE SIDE PLATE, A CORK FRICTION WASHER ABOUT SAID SHAFT BETWEEN SAID DRIVE GEAR AND SAID ONE END OF SAID CHART FEED ROLL AND SECURED TO SAID ONE END OF SAID CHART FEED ROLL, SPRING MEANS CARRIED BY THE OTHER OF SAID
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-01-16 | 1970-07-18 | 1971-01-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-01-16 | 1974-07-18 | 1975-01-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-01-16 | 1978-07-18 | 1979-01-17 | $7700.00 | Window Closed / Lapsed |