US3431667A
Expired / Lapsed
US
⏱️ 0.0 years remaining
X-ray film mount
Assignee: RICHARD M WOODS
•
Filing: 1965-06-07
•
Granted: 1969-03-11
•
Expires: 1985-06-07
Abstract
No abstract record available.
Inventors
- 👤 Richard M Woods
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 02:12
CPC Classifications
G; G03; G03B; G03B42/00; G03B42/02; G03B42/04; G03B42/042
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
38 words
IN AN X-RAY FILM MOUNT, A CARD, PUNCH-OUT PORTIONS OF PARTIAL PERFORATIONS FOR FORMING CIRCULAR WINDOWS NONTRANSPARENT IN SAID MOUNT, OUTWARDLY EXTENDABLE EARS ADJACENT THE PERIPHERY OF SAID WINDOWS, CIRCULAR DISCS HAVING RECTANGULAR OPENINGS THEREIN MOUNTABLE OVER SAID
Claim 2
Dependent Claim
38 words
IN AN X-RAY FILM MOUNT, A CARD, PUNCH-OUT PORTIONS OF PARTIAL PERFORATIONS FOR FORMING CIRCULAR WINDOWS NONTRANSPARENT IN SAID MOUNT, OUTWARDLY EXTENDABLE EARS ADJACENT THE PERIPHERY OF SAID WINDOWS, CIRCULAR DISCS HAVING RECTANGULAR OPENINGS THEREIN MOUNTABLE OVER SAID
References Cited (Backward Citations)
US1381674A
Cited
US1474174A
Cited
US2828567A
Cited
US2903808A
Cited
US2968882A
Cited
US3195258A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-03-10 | 1972-09-09 | 1973-03-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-03-10 | 1976-09-09 | 1977-03-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-03-10 | 1980-09-09 | 1981-03-11 | $7700.00 | Window Closed / Lapsed |