Patent US3226895A successfully refreshed from Google Patents.
US3226895A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Prefabricated insulated panel assembly for sewage digestion tanks
Assignee: Transco Inc
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Filing: 1963-03-20
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Granted: 1966-01-04
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Expires: 1983-03-20
Abstract
No abstract record available.
Inventors
- 👤 Waite William
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 05:13
CPC Classifications
C; C02; C02F; C02F3/00; C02F3/28; E; E04; E04H; E04H4/00; E04H4/0075; E04H4/0087
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
78 words
IN COMBINATION, A FACTORY-PREFABRICATED PANEL ASSEMBLY FOR A SEWAGE DIGESTION TANK OF A SEWAGE DISPOSAL SYSTEM, THE TANK HAVING SIDE WALLS FORMED OF CONCRETE, COMPRISING: (A) A PLURALITY OF VERTICAL SUPPORTS EQUALLY SPACED CONCENTRICALLY WITH RESPECT TO SAID SIDE WALLS, (B) RETAINER MEANS EXTENDING CIRCUMFERENTIALLY WITH RESPECT TO SAID SIDE WALLS AND HAVING HOOKED ENGAGEMENT WITH SAID SUPPORTS FOR SUPPORTING SAID SUPPORTS VERTICLLY WITH RESPECT TO SAID SIDE WALLS, (C) A PLURALITY OF PANELS EACH INCLUDING AN INSULATING
Claim 2
Dependent Claim
78 words
IN COMBINATION, A FACTORY-PREFABRICATED PANEL ASSEMBLY FOR A SEWAGE DIGESTION TANK OF A SEWAGE DISPOSAL SYSTEM, THE TANK HAVING SIDE WALLS FORMED OF CONCRETE, COMPRISING: (A) A PLURALITY OF VERTICAL SUPPORTS EQUALLY SPACED CONCENTRICALLY WITH RESPECT TO SAID SIDE WALLS, (B) RETAINER MEANS EXTENDING CIRCUMFERENTIALLY WITH RESPECT TO SAID SIDE WALLS AND HAVING HOOKED ENGAGEMENT WITH SAID SUPPORTS FOR SUPPORTING SAID SUPPORTS VERTICLLY WITH RESPECT TO SAID SIDE WALLS, (C) A PLURALITY OF PANELS EACH INCLUDING AN INSULATING
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-01-03 | 1969-07-05 | 1970-01-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-01-03 | 1973-07-05 | 1974-01-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-01-03 | 1977-07-05 | 1978-01-04 | $7700.00 | Window Closed / Lapsed |