Patent US3244072A successfully refreshed from Google Patents.
US3244072A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ocular and objective shutter mechanism for laterally adjustable binoculars
Assignee: —
•
Filing: —
•
Granted: 1966-04-05
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Expires: 1983-04-05
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 04:19
CPC Classifications
G; G02; G02B; G02B23/00; G02B23/16; G02B23/18
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
137 words
IN A BINOCULAR TELESCOPE HAVING TWO LENS CASINGS TRANSVERSELY SLIDABLE UPON A CENTRAL SUPPORT FOR INTERPUPILLARY DISTANCE ACCOMODATION, A VARIABLE LENGTH ACTUATING ARM PIVOTALLY MOUNTED TO EACH LENS CASING, LENS SHUTTERS PIVOTALLY CONNECTED AT EACH END OF SAID ARM, SAID LENS SHUTTERS BEING SLIDABLE WITHIN RECESSES EXTENDING LATERALLY WITHIN THE LENS CASING ADJACENT TO THE OCULAR AND OBJECTIVE LENS APERTURES THEREIN AND BEING SLIDABLE TO POSITIONS WHERE SAID SHUTTERS COVER THE LENS APERTURES, MEANS SUPPORTING AND GUIDING THE MOVEMENT OF THE SHUTTERS AND CAM-FOLLOWER PAIRS, ONE MEMBER OF EACH PAIR BEING ATTACHED TO EACH LENS CASING, AND THE OTHER MEMBER OF SAID PAIR BEING ATTACHED TO SAID CENTRAL SUPPORT, EACH OF SAID CAM-FOLLOWER PAIRS PROVIDING WITH SAID ACTUATING ARMS, MEANS FOR ROTATING SAID ARMS DURING MOVEMENT OF THE LENS CASINGS TO COVER AND UNCOVER THE LENS APERTURES.
Claim 2
Dependent Claim
137 words
IN A BINOCULAR TELESCOPE HAVING TWO LENS CASINGS TRANSVERSELY SLIDABLE UPON A CENTRAL SUPPORT FOR INTERPUPILLARY DISTANCE ACCOMODATION, A VARIABLE LENGTH ACTUATING ARM PIVOTALLY MOUNTED TO EACH LENS CASING, LENS SHUTTERS PIVOTALLY CONNECTED AT EACH END OF SAID ARM, SAID LENS SHUTTERS BEING SLIDABLE WITHIN RECESSES EXTENDING LATERALLY WITHIN THE LENS CASING ADJACENT TO THE OCULAR AND OBJECTIVE LENS APERTURES THEREIN AND BEING SLIDABLE TO POSITIONS WHERE SAID SHUTTERS COVER THE LENS APERTURES, MEANS SUPPORTING AND GUIDING THE MOVEMENT OF THE SHUTTERS AND CAM-FOLLOWER PAIRS, ONE MEMBER OF EACH PAIR BEING ATTACHED TO EACH LENS CASING, AND THE OTHER MEMBER OF SAID PAIR BEING ATTACHED TO SAID CENTRAL SUPPORT, EACH OF SAID CAM-FOLLOWER PAIRS PROVIDING WITH SAID ACTUATING ARMS, MEANS FOR ROTATING SAID ARMS DURING MOVEMENT OF THE LENS CASINGS TO COVER AND UNCOVER THE LENS APERTURES.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-04-04 | 1969-10-04 | 1970-04-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-04-04 | 1973-10-04 | 1974-04-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-04-04 | 1977-10-04 | 1978-04-05 | $7700.00 | Window Closed / Lapsed |