Patent US3219406A successfully refreshed from Google Patents.
US3219406A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Holder for flexible lantern slides
Assignee: PHOX IND
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Filing: 1961-09-25
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Granted: 1965-11-23
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Expires: 1981-09-25
Abstract
No abstract record available.
Inventors
- 👤 Gabriel Daniel Denis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 23:19
CPC Classifications
G; G03; G03B; G03B21/00; G03B21/54; G03B21/64; G03B31/00; G03B31/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
159 words
A SLIDE HOLDER FOR SEPARATE FLEXIBLE LANTERN SLIDES FORMED ON RECTANGULAR FILM PORTIONS, SAID HOLDER COMPRISING A FLEXIBLE BAND MADE OF A SINGLE FILM OF THERMOPLASTIC MATERIAL HAVING REGULARLY SPACED APERTURES WHOSE DIMENSIONS CORRESPOND SUBSTANTIALLY TO THOSE OF THE VIEWING FIELDS OF THE SLIDES, AND FLAT, FLEXIBLE HOLDING MEMBERS FOR SAID SLIDES, HEAT-WELDED ON SAID BAND, SAID HOLDING MEMBERS BEING SPACED FROM ONE ANOTHER ALONG SAID FILM WITH A PORTION THEREOF POSITIONED ON SAID BAND BETWEEN SAID APERTURES; SAID HEAT WELD BETWEEN SAID BAND AND SAID HOLDING MEMBERS RESULTING IN SPACED, WELDED SEAMS SPACED A DISTANCE APART FROM THE PERIPHERY OF SAID APERTURES ALONG AT LEAST A PORTION OF EACH SIDE OF SAID APERTURES, AND A DISTANCE APART FROM THE EDGES OF SAID HOLDING MEMBERS, THEREBY PROVIDING POCKETS BETWEEN SAID BAND AND SAID HOLDING MEMBERS, THE SEAMS THEREBETWEEN SERVING AS ABUTMENTS FOR THE EDGES OF FLEXIBLE SLIDES TO BE RECEIVED THEREIN, WHEREBY SAID SLIDES ARE POSITIONED WITHIN SAID APERTURES.
Claim 2
Dependent Claim
159 words
A SLIDE HOLDER FOR SEPARATE FLEXIBLE LANTERN SLIDES FORMED ON RECTANGULAR FILM PORTIONS, SAID HOLDER COMPRISING A FLEXIBLE BAND MADE OF A SINGLE FILM OF THERMOPLASTIC MATERIAL HAVING REGULARLY SPACED APERTURES WHOSE DIMENSIONS CORRESPOND SUBSTANTIALLY TO THOSE OF THE VIEWING FIELDS OF THE SLIDES, AND FLAT, FLEXIBLE HOLDING MEMBERS FOR SAID SLIDES, HEAT-WELDED ON SAID BAND, SAID HOLDING MEMBERS BEING SPACED FROM ONE ANOTHER ALONG SAID FILM WITH A PORTION THEREOF POSITIONED ON SAID BAND BETWEEN SAID APERTURES; SAID HEAT WELD BETWEEN SAID BAND AND SAID HOLDING MEMBERS RESULTING IN SPACED, WELDED SEAMS SPACED A DISTANCE APART FROM THE PERIPHERY OF SAID APERTURES ALONG AT LEAST A PORTION OF EACH SIDE OF SAID APERTURES, AND A DISTANCE APART FROM THE EDGES OF SAID HOLDING MEMBERS, THEREBY PROVIDING POCKETS BETWEEN SAID BAND AND SAID HOLDING MEMBERS, THE SEAMS THEREBETWEEN SERVING AS ABUTMENTS FOR THE EDGES OF FLEXIBLE SLIDES TO BE RECEIVED THEREIN, WHEREBY SAID SLIDES ARE POSITIONED WITHIN SAID APERTURES.
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) | 1968-11-22 | 1969-05-24 | 1969-11-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-11-22 | 1973-05-24 | 1973-11-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-11-22 | 1977-05-24 | 1977-11-23 | $7700.00 | Window Closed / Lapsed |