Patent US3318462A successfully refreshed from Google Patents.
US3318462A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Knockdown modular rack
Assignee: Individual
•
Filing: 1965-05-24
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Granted: 1967-05-09
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Expires: 1985-05-24
Abstract
No abstract record available.
Inventors
- 👤 Spiegl Andrew
- 👤 Oaks Sherman
- 👤 Sidney H Bacon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 00:49
CPC Classifications
A; A47; A47F; A47F7/00; A47F7/19; A47F7/24
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
142 words
A MODULAR KNOCKDOWN RACK COMPRISING: A PAIR OF GENERALLY IDENTICAL NORMALLY UPRIGHT TUBULAR SUPPORTING POSTS OF RECTANGULAR CROSS-SECTION, EACH SAID POST HAVING VERTICALLY SPACED, AXIALLY EXTENDING AND AXIALLY ALIGNED SLOTS IN AT LEAST TWO SIDES THEREOF AND A LOWER SUPPORTING BASE; AND A NORMALLY HORIZONTAL TUBULAR SUPPORTING BAR HAVING ITS ENDS FLATTENED TO FORM CONNECTING KEYS ENGAGEABLE IN ADJACENT PAIRS OF SAID POST SLOTS, RESPECTIVELY, THEREBY TO RELEASABLY INTERLOCK SAID BAR AND POSTS, EACH SAID KEY COMPRISING FLAT CONTACTING SIDE WALLS HAVING INTEGRALLY JOINED NORMALLY UPPER AND LOWER EDGES AND AXIALLY PRESENTED EDGES, THERE BEING A NORMALLY UPPER GENERALLY LSHAPED LOCKING SLOT IN EACH SAID KEY HAVING A FIRST LEG DISPOSED IN A PLANE GENERALLY NORMAL TO THE AXIS OF THE RESPECTIVE BAR AND A SECOND LEG EXTENDING FROM THE LOWER END OF SAID FIRST LEG AND AXIALLY THROUGH SAID AXIALLY PRE-
Claim 2
Dependent Claim
142 words
A MODULAR KNOCKDOWN RACK COMPRISING: A PAIR OF GENERALLY IDENTICAL NORMALLY UPRIGHT TUBULAR SUPPORTING POSTS OF RECTANGULAR CROSS-SECTION, EACH SAID POST HAVING VERTICALLY SPACED, AXIALLY EXTENDING AND AXIALLY ALIGNED SLOTS IN AT LEAST TWO SIDES THEREOF AND A LOWER SUPPORTING BASE; AND A NORMALLY HORIZONTAL TUBULAR SUPPORTING BAR HAVING ITS ENDS FLATTENED TO FORM CONNECTING KEYS ENGAGEABLE IN ADJACENT PAIRS OF SAID POST SLOTS, RESPECTIVELY, THEREBY TO RELEASABLY INTERLOCK SAID BAR AND POSTS, EACH SAID KEY COMPRISING FLAT CONTACTING SIDE WALLS HAVING INTEGRALLY JOINED NORMALLY UPPER AND LOWER EDGES AND AXIALLY PRESENTED EDGES, THERE BEING A NORMALLY UPPER GENERALLY LSHAPED LOCKING SLOT IN EACH SAID KEY HAVING A FIRST LEG DISPOSED IN A PLANE GENERALLY NORMAL TO THE AXIS OF THE RESPECTIVE BAR AND A SECOND LEG EXTENDING FROM THE LOWER END OF SAID FIRST LEG AND AXIALLY THROUGH SAID AXIALLY PRE-
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US3045834A
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US3157252A
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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) | 1970-05-08 | 1970-11-07 | 1971-05-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-05-08 | 1974-11-07 | 1975-05-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-05-08 | 1978-11-07 | 1979-05-09 | $7700.00 | Window Closed / Lapsed |