Patent US3076279A successfully refreshed from Google Patents.
US3076279A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Transparency mounts
Assignee: Individual
•
Filing: 1961-03-06
•
Granted: 1963-02-05
•
Expires: 1981-03-06
Abstract
No abstract record available.
Inventors
- 👤 Leonard N Afton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 03:05
CPC Classifications
G; G03; G03B; G03B21/00; G03B21/54; G03B21/64
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
95 words
A TRANSPARENCY MOUNT ASSEMBLY COMPRISING A RECTANGULAR, GENERALLY FLAT BODY OF TRANSPARENT REFRACTIVE THERMOPLASTIC MATERIAL HAVING A RELATIVELY THIN CENTRALLY DISPOSED RECTANGULAR FILM-VIEWING AREA SURROUNDED BY A RELATIVELY THICK MASKING BORDER AREA, A RECTANGULAR TRANSPARENCY FILM EMBEDDED IN SAID RELATIVELY THIN FILMVIEWING AREA AND SUBSTANTIALLY COEXTENSIVE WITH THE SAME, THE FRONT FACE OF SAID FILM-VIEWING AREA BEING BOUNDED BY BEVELLED SURFACE AREAS WHICH ARE INCLINED FORWARDLY AND OUTWARDLY AND INTERSECT THE FRONT FACE OF SAID RELATIVELY THICK MASKING AREA, THE ANGLE OF INCLINATION OF EACH BEVELLED SURFACE AREA RELATIVE TO A MEDIAL PLANE OF THE
Claim 2
Dependent Claim
95 words
A TRANSPARENCY MOUNT ASSEMBLY COMPRISING A RECTANGULAR, GENERALLY FLAT BODY OF TRANSPARENT REFRACTIVE THERMOPLASTIC MATERIAL HAVING A RELATIVELY THIN CENTRALLY DISPOSED RECTANGULAR FILM-VIEWING AREA SURROUNDED BY A RELATIVELY THICK MASKING BORDER AREA, A RECTANGULAR TRANSPARENCY FILM EMBEDDED IN SAID RELATIVELY THIN FILMVIEWING AREA AND SUBSTANTIALLY COEXTENSIVE WITH THE SAME, THE FRONT FACE OF SAID FILM-VIEWING AREA BEING BOUNDED BY BEVELLED SURFACE AREAS WHICH ARE INCLINED FORWARDLY AND OUTWARDLY AND INTERSECT THE FRONT FACE OF SAID RELATIVELY THICK MASKING AREA, THE ANGLE OF INCLINATION OF EACH BEVELLED SURFACE AREA RELATIVE TO A MEDIAL PLANE OF THE
References Cited (Backward Citations)
US560080A
Cited
GB191310486A
Cited
US1878368A
Cited
US2250298A
Cited
US2313947A
Cited
US2499452A
Cited
US2588545A
Cited
US2845734A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-02-04 | 1966-08-06 | 1967-02-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-02-04 | 1970-08-06 | 1971-02-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-02-04 | 1974-08-06 | 1975-02-05 | $7700.00 | Window Closed / Lapsed |