US3190597A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Portable movie screen device
Assignee: Knox Manufacturing Co
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Filing: 1963-10-15
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Granted: 1965-06-22
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Expires: 1983-10-15
Abstract
No abstract record available.
Inventors
- 👤 Hillard J Bieschke
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 23:17
CPC Classifications
G; G03; G03B; G03B21/00; G03B21/54; G03B21/56; G03B21/58
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
162 words
A MOVIE SCREEN STAND, COMPRISING: AN UPRIGHT STANDAND INCLUDING A MAIN TUBULAR MEMBER AND A TELESCOPING ROD SLIDABLE IN THE TUBULAR MEMBER; CLAMPING MEANS OPERABLE BETWEEN THE TUBULAR MEMBER AND THE ROD FOR RETAINING THE ROD IN A PRESELECTED POSITION OF EXTENSION WITH RESPECT TO THE TUBULAR MEMBER; A LEG UNIT ON THE STANDARD FOR SUPPORTING THE STANDARD IN UPRIGHT POSITION, THE LEG UNIT HAVING A PLURALITY OF LEG MEMBERS SWINGABLE BETWEEN A CLOSED POSITION ADJACENT THE STANDARD AND A FLARED SUPPORTING POSITION; A FIRST LATCH MEMBER PIVOTED ON THE LOWER END PORTION OF THE STANDARD FOR MOVEMENT BETWEEN A LATCHING AND AN UNLATCHING POSITION, THE FIRST LATCH MEMBER BEING NORMALLY URGED TOWARD UNLATCHING POSITION AND THE TELESCOPING ROD YIELDABLY HOLDING SAID FIRST LATCH MEMBER IN LATCHING POSITION; AND A SECOND LATCH MEMBER ON THE LEG UNIT POSITIONED TO ENGAGE THE FIRST LATCH MEMBER IN LATCHING POSITION WHEN THE LEG UNIT IS IN CLOSED POSITION, UPWARD MOVEMENT OF THE TELESCOPING ROD SIMULTANEOUSLY
Claim 2
Dependent Claim
162 words
A MOVIE SCREEN STAND, COMPRISING: AN UPRIGHT STANDAND INCLUDING A MAIN TUBULAR MEMBER AND A TELESCOPING ROD SLIDABLE IN THE TUBULAR MEMBER; CLAMPING MEANS OPERABLE BETWEEN THE TUBULAR MEMBER AND THE ROD FOR RETAINING THE ROD IN A PRESELECTED POSITION OF EXTENSION WITH RESPECT TO THE TUBULAR MEMBER; A LEG UNIT ON THE STANDARD FOR SUPPORTING THE STANDARD IN UPRIGHT POSITION, THE LEG UNIT HAVING A PLURALITY OF LEG MEMBERS SWINGABLE BETWEEN A CLOSED POSITION ADJACENT THE STANDARD AND A FLARED SUPPORTING POSITION; A FIRST LATCH MEMBER PIVOTED ON THE LOWER END PORTION OF THE STANDARD FOR MOVEMENT BETWEEN A LATCHING AND AN UNLATCHING POSITION, THE FIRST LATCH MEMBER BEING NORMALLY URGED TOWARD UNLATCHING POSITION AND THE TELESCOPING ROD YIELDABLY HOLDING SAID FIRST LATCH MEMBER IN LATCHING POSITION; AND A SECOND LATCH MEMBER ON THE LEG UNIT POSITIONED TO ENGAGE THE FIRST LATCH MEMBER IN LATCHING POSITION WHEN THE LEG UNIT IS IN CLOSED POSITION, UPWARD MOVEMENT OF THE TELESCOPING ROD SIMULTANEOUSLY
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-06-21 | 1968-12-21 | 1969-06-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-06-21 | 1972-12-21 | 1973-06-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-06-21 | 1976-12-21 | 1977-06-22 | $7700.00 | Window Closed / Lapsed |