Patent US3451744A successfully refreshed from Google Patents.
US3451744A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Self-adjusting slit mechanism
Assignee: Applied Biosystems Inc
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Filing: 1966-06-17
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Granted: 1969-06-24
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Expires: 1986-06-17
Abstract
No abstract record available.
Inventors
- 👤 Charles F De Mey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 14:58
CPC Classifications
G; G01; G01J; G01J3/00; G01J3/02; G01J3/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
149 words
A SELF-ADJUSTING OPTICAL SLIT MECHANISM OF VARIABLE WIDTH, COMPRISING: MEANS DEFINING A VARIABLE POSITION SLIT JAW; ACTUATING MEANS FOR MOVING SAID SLIT JAW MEANS, INCLUDING A SLIPPABLE CONNECTION HAVING SUBSTANTIAL DRAG BETWEEN SAID SLIT JAW AND SAID ACTUATING MEANS; MEANS FOR LIMITING MOVEMENT OF SAID SLIT JAW IN A RELATIVELY OPEN EXTREME; STANDARD POSITION MEANS FOR LIMITING MOVEMENT OF SAID SLIT JAW IN A RELATIVELY CLOSED EXTREME; MOVING MEANS FOR MOVING SAID ACTUATING MEANS AND FOR FORCING SAID ACTUATING MEANS TO MOVE RELATIVE TO SAID SLIT JAW THROUGH SAID SLIPPABLE CONNECTION WHEN THE MOVEMENT OF SAID SLIT JAW REACHES THE OPEN OF CLOSED EXTREME; WHEREBY SAID SLIT JAW MEANS AND SAID ACTUATING MEANS ARE CAUSED TO ASSUME A KNOWN STANDARD POSITION RELATIVE TO EACH OTHER, SO THAT SUBSEQUENT MOVEMENT OF SAID ACTUATING MEANS WILL CAUSE MOVEMENT OF SAID VARIABLE POSITION SLIT JAW MEANS IN A PRECISELY KNOWN TRACKING MANNER.
Claim 2
Dependent Claim
149 words
A SELF-ADJUSTING OPTICAL SLIT MECHANISM OF VARIABLE WIDTH, COMPRISING: MEANS DEFINING A VARIABLE POSITION SLIT JAW; ACTUATING MEANS FOR MOVING SAID SLIT JAW MEANS, INCLUDING A SLIPPABLE CONNECTION HAVING SUBSTANTIAL DRAG BETWEEN SAID SLIT JAW AND SAID ACTUATING MEANS; MEANS FOR LIMITING MOVEMENT OF SAID SLIT JAW IN A RELATIVELY OPEN EXTREME; STANDARD POSITION MEANS FOR LIMITING MOVEMENT OF SAID SLIT JAW IN A RELATIVELY CLOSED EXTREME; MOVING MEANS FOR MOVING SAID ACTUATING MEANS AND FOR FORCING SAID ACTUATING MEANS TO MOVE RELATIVE TO SAID SLIT JAW THROUGH SAID SLIPPABLE CONNECTION WHEN THE MOVEMENT OF SAID SLIT JAW REACHES THE OPEN OF CLOSED EXTREME; WHEREBY SAID SLIT JAW MEANS AND SAID ACTUATING MEANS ARE CAUSED TO ASSUME A KNOWN STANDARD POSITION RELATIVE TO EACH OTHER, SO THAT SUBSEQUENT MOVEMENT OF SAID ACTUATING MEANS WILL CAUSE MOVEMENT OF SAID VARIABLE POSITION SLIT JAW MEANS IN A PRECISELY KNOWN TRACKING MANNER.
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) | 1972-06-23 | 1972-12-23 | 1973-06-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-06-23 | 1976-12-23 | 1977-06-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-06-23 | 1980-12-23 | 1981-06-24 | $7700.00 | Window Closed / Lapsed |