US3070915A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Slide title means
Assignee: Viewlex Inc
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Filing: 1961-10-03
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Granted: 1963-01-01
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Expires: 1981-10-03
Abstract
No abstract record available.
Inventors
- 👤 Henry J Walter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 18:10
CPC Classifications
G; G03; G03B; G03B21/00; G03B21/54; G03B21/64
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
82 words
FILM TITLE MEANS COMPRISING A SLIDE FILM MOUNTING, AN APERTURE IN SAID MOUNTING WITHIN THE AREA OF LIGHT TRANSMISSION, A TRANSPARENT PLASTIC SHEET HAVING AN OPAQUE COATING AND HAVING A HOLLOW OBLONG DEPRESSION PORTION INSERTED IN SAID APERTURE, SAID DEPRESSION PORTION HAVING A PAIR OF PUNCHED PORTIONS ALONG AT LEAST TWO SIDES OF SAID DEPRESSION PORTION FORMING FLAPS ADAPTED TO EXTEND AGAINST THE LIP OF SAID APERTURE IN SAID SLIDE MOUNT SO THAT SAID DEPRESSION PORTION MAY BE SNAPPED INTO SAID APERTURE.
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) | 1965-12-31 | 1966-07-02 | 1967-01-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-12-31 | 1970-07-02 | 1971-01-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-12-31 | 1974-07-02 | 1975-01-01 | $7700.00 | Window Closed / Lapsed |