US3292285A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Foldable frame structure for film frames or film mounts
Assignee: Individual
•
Filing: 1964-04-09
•
Granted: 1966-12-20
•
Expires: 1984-04-09
Abstract
No abstract record available.
Inventors
- 👤 Kitayama Nobuhiko
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 22:49
CPC Classifications
G; G03; G03B; G03B23/00; G03B23/08; G03B23/12; G03B23/125
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
144 words
FOLDABLE FRAME STRUCTURE COMPRISING A PLURALITY OF PARALLEL FRAME ELEMENTS HAVING FIRST PAIRS OF CONNECTING MEMBERS ENGAGING SURFACE MEANS FOR DETACHABLY ENGAGING CONNECTING MEMBERS WHEN THE LATERAL FRAME ELEMENT EDGES ARE ADJACENT THE CONNECTING MEMBERS, SECOND PAIRS OF CONNECTING MEMBERS ENGAGING SURFACE MEANS FOR DETACHABLY ENGAGING CONNECTING MEMBERS WHEN A FRAME ELEMENT HAS BEEN ROTATED TO PLACE THE UPPER AND LOWER FRAME ELEMENT EDGES ADJACENT THE CONNECTING MEMBERS, A CONNECTING MEMBER INTERPOSED BETWEEN ADJACENT FRAME ELEMENTS AND SWINGABLY ENGAGING A FIRST PAIR OF CONNECTING MEMBER ENGAGING SURFACE MEANS ON EACH OF THE ADJACENT FRAME ELEMENTS BY MEANS OF A PAIR OF RECESS-PROJECTION CONNECTIONS, EACH PAIR OF THE RECESS-PROJECTION CONNECTIONS DEFINING AN AXIS, THE THICKNESS OF SAID FRAME ELEMENTS AND THE DISTANCE BETWEEN THE TWO AXES TAKEN IN SAID CONNECTING MEMBER FOR SWINGABLY ENGAGING THE TWO FRAME ELEMENTS ADJACENT THERETO HAVING DIMENSIONS SATISFYING THE RELATION
Claim 2
Dependent Claim
144 words
FOLDABLE FRAME STRUCTURE COMPRISING A PLURALITY OF PARALLEL FRAME ELEMENTS HAVING FIRST PAIRS OF CONNECTING MEMBERS ENGAGING SURFACE MEANS FOR DETACHABLY ENGAGING CONNECTING MEMBERS WHEN THE LATERAL FRAME ELEMENT EDGES ARE ADJACENT THE CONNECTING MEMBERS, SECOND PAIRS OF CONNECTING MEMBERS ENGAGING SURFACE MEANS FOR DETACHABLY ENGAGING CONNECTING MEMBERS WHEN A FRAME ELEMENT HAS BEEN ROTATED TO PLACE THE UPPER AND LOWER FRAME ELEMENT EDGES ADJACENT THE CONNECTING MEMBERS, A CONNECTING MEMBER INTERPOSED BETWEEN ADJACENT FRAME ELEMENTS AND SWINGABLY ENGAGING A FIRST PAIR OF CONNECTING MEMBER ENGAGING SURFACE MEANS ON EACH OF THE ADJACENT FRAME ELEMENTS BY MEANS OF A PAIR OF RECESS-PROJECTION CONNECTIONS, EACH PAIR OF THE RECESS-PROJECTION CONNECTIONS DEFINING AN AXIS, THE THICKNESS OF SAID FRAME ELEMENTS AND THE DISTANCE BETWEEN THE TWO AXES TAKEN IN SAID CONNECTING MEMBER FOR SWINGABLY ENGAGING THE TWO FRAME ELEMENTS ADJACENT THERETO HAVING DIMENSIONS SATISFYING THE RELATION
References Cited (Backward Citations)
US1697277A
Cited
US1708968A
Cited
US2364891A
Cited
US2740326A
Cited
US2856713A
Cited
US2938227A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-12-19 | 1970-06-20 | 1970-12-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-12-19 | 1974-06-20 | 1974-12-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-12-19 | 1978-06-20 | 1978-12-20 | $7700.00 | Window Closed / Lapsed |