US3405624A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Photographic shutter
Assignee: Eastman Kodak Co
•
Filing: 1966-05-18
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Granted: 1968-10-15
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Expires: 1986-05-18
Abstract
No abstract record available.
Inventors
- 👤 Peterson Dean Mccormack
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 07:02
CPC Classifications
G; G03; G03B; G03B9/00; G03B9/08; G03B9/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
171 words
A SHUTTER FOR A PHOTOGRAPHIC DEVICE HAVING AN EXPOSURE APERTURE; AND COMPRISING, A SHUTTER BLADE PIVOTALLY MOUNTED ON OSCILLATE FROM A NORMAL CLOSED POSITION COVERING SAID EXPOSURE APERTURE TO AT LEAST ONE OPEN POSITION, WHERE IT UNCOVERS SAID APERTURE, SAID BLADE HAVING A CENTER OF GRAVITY SPACED A DISTANCE A RADIALLY FROM ITS PIVOT POINT; MEANS INCLUDING AN INPACT MEMBER FOR APPLYING A SHARP IMPACT TO SAID SHUTTER BLADE TO IMPART A ROTARY MOTION THERETO AND MOVE IT FROM SAID NORMAL CLOSED POSITION; AND A REBOUND STOP MEMBER POSITIONED IN THE PATH OF MOVEMENT OF SAID BLADE AT A POINT ARCUATELY SPACED FROM SAID NORMAL POSTION TO BE ENGAGED BY SAID SHUTTER BLADE FOR APPLYING A REVERSING IMPULSE MEMBER TO RETURN IT TO SAID NORMAL POSITION; SAID IMPACT MEMBER AND SAID REBOUND MEMBER BEING SO MOUNTED AS TO ENGAGE SAID SHUTTER BLADE FOR ONLY A SMALL PORTION OF THE TOTAL TRAVEL THEREOF AND AT POINTS SPACED RADIALLY FROM THE PIVOT POINT OF SAID BLADE BY A DISTANCE D SUBSTANTIALLY EQUAL TO
Claim 2
Dependent Claim
171 words
A SHUTTER FOR A PHOTOGRAPHIC DEVICE HAVING AN EXPOSURE APERTURE; AND COMPRISING, A SHUTTER BLADE PIVOTALLY MOUNTED ON OSCILLATE FROM A NORMAL CLOSED POSITION COVERING SAID EXPOSURE APERTURE TO AT LEAST ONE OPEN POSITION, WHERE IT UNCOVERS SAID APERTURE, SAID BLADE HAVING A CENTER OF GRAVITY SPACED A DISTANCE A RADIALLY FROM ITS PIVOT POINT; MEANS INCLUDING AN INPACT MEMBER FOR APPLYING A SHARP IMPACT TO SAID SHUTTER BLADE TO IMPART A ROTARY MOTION THERETO AND MOVE IT FROM SAID NORMAL CLOSED POSITION; AND A REBOUND STOP MEMBER POSITIONED IN THE PATH OF MOVEMENT OF SAID BLADE AT A POINT ARCUATELY SPACED FROM SAID NORMAL POSTION TO BE ENGAGED BY SAID SHUTTER BLADE FOR APPLYING A REVERSING IMPULSE MEMBER TO RETURN IT TO SAID NORMAL POSITION; SAID IMPACT MEMBER AND SAID REBOUND MEMBER BEING SO MOUNTED AS TO ENGAGE SAID SHUTTER BLADE FOR ONLY A SMALL PORTION OF THE TOTAL TRAVEL THEREOF AND AT POINTS SPACED RADIALLY FROM THE PIVOT POINT OF SAID BLADE BY A DISTANCE D SUBSTANTIALLY EQUAL TO
References Cited (Backward Citations)
US3081683A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-10-15 | 1972-04-15 | 1972-10-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-10-15 | 1976-04-15 | 1976-10-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-10-15 | 1980-04-15 | 1980-10-15 | $7700.00 | Window Closed / Lapsed |