US3304891A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Portable folding table
Assignee: METAL DYNAMICS CORP
•
Filing: 1965-05-17
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Granted: 1967-02-21
•
Expires: 1985-05-17
Abstract
No abstract record available.
Inventors
- 👤 Isadore B Rachman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 14:14
CPC Classifications
A; A47; A47B; A47B3/00; A47B3/08; A47B3/083
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
198 words
A PORTABLE COLLAPSIBLE FOLDING TABLE COMPRISING: A RECTANGULAR TOP DIVIDED INTO A PAIR OF ABUTTING DEMI-SECTIONS EACH HAVING PERIPHERAL BORDER FLANGES; REINFORCEMENT FLANGES AFFIXED TO SAID BORDER FLANGES ALONG INSIDE PERIPHERY THEREOF; A HINGE CONNECTING SAID DEMI-SECTIONS AT JUXTAPOSED BORDER FLANGES, SAID HINGE EXTENDING ALONG SUBSTANTIALLY THE ENTIRE LENGTH OF SAID JUXTAPOSED BORDER FLANGES, SAID HINGE BEING FASTENED TO EACH JUXTAPOSED BORDER FLANGES, AND ITS RESPECTIVE REINFORCEMENT FLANGE; A PAIR OF SLIDEWAYS ON EACH OF SAID SECTIONS, A RIGID BAR SLIDABLY RECEIVED BY SLIDEWAYS ON EACH OF SAID SECTIONS FOR EXTENSION THEREALONG BETWEEN SAID SECTIONS TO RIGIDLY FASTEN SAID SECTIONS IN COPLANAR ALIGNMENT; LOCK MEANS ON ONE OF SAID SECTIONS FOR LOCKING SAID BARS WHEN THE SECTIONS ARE IN CO-PLANAR ALIGNMENT; CAM MEANS SUPPORTED BY ONE OF SAID SECTIONS FOR COOPERATION BETWEEN SAID BARS AND SLIDEWAYS FOR JAMMING SAID BARS INTO A RIGID AND LOCKED POSITION; A PAIR OF COLLAPSIBLE LEGS PIVOTED IN EACH OF SAID SECTIONS ON SAID REINFORCEMENT FLANGES SO THAT SAID LEGS MAY BE COLLAPSED WITHIN SAID SECTIONS TO EFFECT A PARALLEL FOLDING THEREOF, SAID SLIDEWAYS BEING CHANNELS, AND SAID BARS HAVING AN INCLINED SURFACE AT ONE END THEREOF FOR COOPERATION WITH SAID CAM MEANS.
Claim 2
Dependent Claim
198 words
A PORTABLE COLLAPSIBLE FOLDING TABLE COMPRISING: A RECTANGULAR TOP DIVIDED INTO A PAIR OF ABUTTING DEMI-SECTIONS EACH HAVING PERIPHERAL BORDER FLANGES; REINFORCEMENT FLANGES AFFIXED TO SAID BORDER FLANGES ALONG INSIDE PERIPHERY THEREOF; A HINGE CONNECTING SAID DEMI-SECTIONS AT JUXTAPOSED BORDER FLANGES, SAID HINGE EXTENDING ALONG SUBSTANTIALLY THE ENTIRE LENGTH OF SAID JUXTAPOSED BORDER FLANGES, SAID HINGE BEING FASTENED TO EACH JUXTAPOSED BORDER FLANGES, AND ITS RESPECTIVE REINFORCEMENT FLANGE; A PAIR OF SLIDEWAYS ON EACH OF SAID SECTIONS, A RIGID BAR SLIDABLY RECEIVED BY SLIDEWAYS ON EACH OF SAID SECTIONS FOR EXTENSION THEREALONG BETWEEN SAID SECTIONS TO RIGIDLY FASTEN SAID SECTIONS IN COPLANAR ALIGNMENT; LOCK MEANS ON ONE OF SAID SECTIONS FOR LOCKING SAID BARS WHEN THE SECTIONS ARE IN CO-PLANAR ALIGNMENT; CAM MEANS SUPPORTED BY ONE OF SAID SECTIONS FOR COOPERATION BETWEEN SAID BARS AND SLIDEWAYS FOR JAMMING SAID BARS INTO A RIGID AND LOCKED POSITION; A PAIR OF COLLAPSIBLE LEGS PIVOTED IN EACH OF SAID SECTIONS ON SAID REINFORCEMENT FLANGES SO THAT SAID LEGS MAY BE COLLAPSED WITHIN SAID SECTIONS TO EFFECT A PARALLEL FOLDING THEREOF, SAID SLIDEWAYS BEING CHANNELS, AND SAID BARS HAVING AN INCLINED SURFACE AT ONE END THEREOF FOR COOPERATION WITH SAID CAM MEANS.
References Cited (Backward Citations)
US1181320A
Cited
US1792714A
Cited
US2618524A
Cited
US2652300A
Cited
US2643926A
Cited
US2747957A
Cited
US2747956A
Cited
US2760837A
Cited
US2871076A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-02-20 | 1970-08-22 | 1971-02-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-02-20 | 1974-08-22 | 1975-02-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-02-20 | 1978-08-22 | 1979-02-21 | $7700.00 | Window Closed / Lapsed |