Patent US3325822A successfully refreshed from Google Patents.
US3325822A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Chart recording mechanism
Assignee: Bendix Corp
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Filing: 1965-02-15
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Granted: 1967-06-13
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Expires: 1985-02-15
Abstract
No abstract record available.
Inventors
- 👤 Henry R Heggen
- 👤 Irvin M Starr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:31
CPC Classifications
G; G06; G06K; G06K15/00; G06K15/22; G01; G01S; G01S1/00; G01S1/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
119 words
A MOVABLE CHART-RECORDING MECHANISM COMPRISING: AN ELONGATED CHART; A PAIR OF DRUMS FOR STORING SAID CHART WITH AN EXPOSED PORTION THEREOF EXTENDING BETWEEN SAID DRUMS; FIRST PULSE-OPERATED MOTOR MEANS FOR ADVANCING SAID CHART FROM ONE OF SAID DRUMS TO THE OTHER AND RETURN; AN INDICATOR ASSEMBLY INCLUDING A PORTION ADJACENT TO THE EXPOSED PORTION OF SAID CHART FOR IDENTIFYING A PARTICULAR PORTION THEREOF; SECOND PULSE-OPERATED MOTOR MEANS FOR MOVING SAID INDICATOR ASSEMBLY TRANSVERSE TO THE DIRECTION OF MOVEMENT OF SAID CHART; LOACL PULSE-GENERATING MEANS HAVING A PULSE REPETITION RATE INCREASING FOR AT LEAST THE FIRST SEVERAL SECONDS OF OPERATION; AND SWITCH MEANS FOR SELECTIVELY CONNECTING AN INFORMATION PULSE SOURCE OF SAID LOCAL PULSE-GENERATING MEANS TO SAID PULSE-OPERATED MOTOR MEANS.
Claim 2
Dependent Claim
119 words
A MOVABLE CHART-RECORDING MECHANISM COMPRISING: AN ELONGATED CHART; A PAIR OF DRUMS FOR STORING SAID CHART WITH AN EXPOSED PORTION THEREOF EXTENDING BETWEEN SAID DRUMS; FIRST PULSE-OPERATED MOTOR MEANS FOR ADVANCING SAID CHART FROM ONE OF SAID DRUMS TO THE OTHER AND RETURN; AN INDICATOR ASSEMBLY INCLUDING A PORTION ADJACENT TO THE EXPOSED PORTION OF SAID CHART FOR IDENTIFYING A PARTICULAR PORTION THEREOF; SECOND PULSE-OPERATED MOTOR MEANS FOR MOVING SAID INDICATOR ASSEMBLY TRANSVERSE TO THE DIRECTION OF MOVEMENT OF SAID CHART; LOACL PULSE-GENERATING MEANS HAVING A PULSE REPETITION RATE INCREASING FOR AT LEAST THE FIRST SEVERAL SECONDS OF OPERATION; AND SWITCH MEANS FOR SELECTIVELY CONNECTING AN INFORMATION PULSE SOURCE OF SAID LOCAL PULSE-GENERATING MEANS TO SAID PULSE-OPERATED MOTOR MEANS.
References Cited (Backward Citations)
US2857234A
Cited
US3160851A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-06-12 | 1970-12-12 | 1971-06-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-06-12 | 1974-12-12 | 1975-06-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-06-12 | 1978-12-12 | 1979-06-13 | $7700.00 | Window Closed / Lapsed |