US3360656A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Filter attachment for photoelectric light metering apparatus
Assignee: Individual
•
Filing: 1964-09-15
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Granted: 1967-12-26
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Expires: 1984-09-15
Abstract
No abstract record available.
Inventors
- 👤 Wolcott S Kinnard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:06
CPC Classifications
G; G01; G01J; G01J1/00; G01J1/02; G01J1/04; G01J1/42; G01J1/4209; G01J1/4219; G01J1/0271; G01J1/0488
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
141 words
AN ATTACHMENT FOR LIGHT METERING APPARATUS, SAID ATTACHMENT COMPRISING A HOUSING HAVING TWO SECTIONS, ONE OF SAID SECTIONS HAVING A LIGHT ADMITTING OPENING AND THE OTHER OF SAID SECTIONS HAVING A LIGHT DISCHARGING OPENING, AND A COLOR WHEEL ROTATABLE BETWEEN SAID SECTIONS, SAID HOUSING INCLUDING A WHEEL-CONFINING CHANNEL BETWEEN SAID SECTIONS, ONE OF SAID SECTIONS AND SAID WHEEL HAVING COMPLEMENTARY BEARING MEANS FOR DETERMINING THE AXIS OF ROTATION OF SAID WHEEL, IN WHICH SAID HOUSING INCLUDES A FLEXIBLE BASE UPON WHICH SAID SECTIONS ARE MOUNTED, THE BEARING MEANS INCLUDING A SOCKET AND A STUD DISPOSED AXIALLY OF THE WHEEL AND ENGAGED IN SAID SOCKET, THE SOCKET AND STUD BEING ENGAGEABLE AND DISENGAGEABLE UPON THE FLEXING OF SAID BASE, THE WHEEL BEING NORMALLY CONFINED IN SAID CHANNEL BETWEEN SAID SECTIONS AND SAID STUD BEING THEREBY PRECLUDED FROM AXIAL DISPLACEMENT FROM SAID SOCKET.
Claim 2
Dependent Claim
141 words
AN ATTACHMENT FOR LIGHT METERING APPARATUS, SAID ATTACHMENT COMPRISING A HOUSING HAVING TWO SECTIONS, ONE OF SAID SECTIONS HAVING A LIGHT ADMITTING OPENING AND THE OTHER OF SAID SECTIONS HAVING A LIGHT DISCHARGING OPENING, AND A COLOR WHEEL ROTATABLE BETWEEN SAID SECTIONS, SAID HOUSING INCLUDING A WHEEL-CONFINING CHANNEL BETWEEN SAID SECTIONS, ONE OF SAID SECTIONS AND SAID WHEEL HAVING COMPLEMENTARY BEARING MEANS FOR DETERMINING THE AXIS OF ROTATION OF SAID WHEEL, IN WHICH SAID HOUSING INCLUDES A FLEXIBLE BASE UPON WHICH SAID SECTIONS ARE MOUNTED, THE BEARING MEANS INCLUDING A SOCKET AND A STUD DISPOSED AXIALLY OF THE WHEEL AND ENGAGED IN SAID SOCKET, THE SOCKET AND STUD BEING ENGAGEABLE AND DISENGAGEABLE UPON THE FLEXING OF SAID BASE, THE WHEEL BEING NORMALLY CONFINED IN SAID CHANNEL BETWEEN SAID SECTIONS AND SAID STUD BEING THEREBY PRECLUDED FROM AXIAL DISPLACEMENT FROM SAID SOCKET.
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) | 1970-12-25 | 1971-06-26 | 1971-12-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-12-25 | 1975-06-26 | 1975-12-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-12-25 | 1979-06-26 | 1979-12-26 | $7700.00 | Window Closed / Lapsed |