US3123446A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Porous wall construction
Assignee: —
•
Filing: —
•
Granted: 1964-03-03
•
Expires: 1981-03-03
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 19:23
CPC Classifications
B; B21; B21F; B21F27/00; B21F27/12; B21F27/18; B64; B64C; B64C21/00; B64C21/02; B64C21/04; B64C21/06; B64C2230/00; B64C2230/04; B64C2230/20; B64C2230/22; Y; Y02; Y02T; Y02T50/00; Y02T50/10; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/496; Y10T29/49604; Y10T428/00; Y10T428/12; Y10T428/1234; Y10T428/12361; Y10T428/12389; Y10T428/12396
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
86 words
A POROUS WALL STRUCTURE HAVING OPPOSED FACES AND COMPRISING: A MULTIPLICITY OF SIMILAR PAIRS OF LAMINATIONS OF PARALLEL SPACED FLATTENED WIRES, EACH LAMINATION BEING THE THICKNESS OF A SINGLE WIRE AND WIRES OF ADJACENT LAMINATIONS BEING IN ANGULAR RELATION AND EXTENDING ACROSS THE COMMON SIDES OF A PLURALITY OF WIRES OF ADJACENT LAMINATIONS, THE FLAT SURFACES OF ADJACENT LAMINATIONS BEING BONDED TOGETHER AT SAID CROSS POINTS, THE SPACES BETWEEN WIRES IN EACH OF THE INTERNAL LAMINATIONS FORMING CHANNELS PARALLEL TO BUT BETWEEN THE OPPOSED FACES OF
Claim 2
Dependent Claim
86 words
A POROUS WALL STRUCTURE HAVING OPPOSED FACES AND COMPRISING: A MULTIPLICITY OF SIMILAR PAIRS OF LAMINATIONS OF PARALLEL SPACED FLATTENED WIRES, EACH LAMINATION BEING THE THICKNESS OF A SINGLE WIRE AND WIRES OF ADJACENT LAMINATIONS BEING IN ANGULAR RELATION AND EXTENDING ACROSS THE COMMON SIDES OF A PLURALITY OF WIRES OF ADJACENT LAMINATIONS, THE FLAT SURFACES OF ADJACENT LAMINATIONS BEING BONDED TOGETHER AT SAID CROSS POINTS, THE SPACES BETWEEN WIRES IN EACH OF THE INTERNAL LAMINATIONS FORMING CHANNELS PARALLEL TO BUT BETWEEN THE OPPOSED FACES OF
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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) | 1967-03-03 | 1967-09-02 | 1968-03-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-03-03 | 1971-09-02 | 1972-03-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-03-03 | 1975-09-02 | 1976-03-03 | $7700.00 | Window Closed / Lapsed |