US3562969A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sectional catch basin
Assignee: Individual
•
Filing: 1968-10-22
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Granted: 1971-02-16
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Expires: 1988-10-22
Abstract
Abstract A SECTIONAL CATCH BASIN COMPRISING PRE-CAST INTERFITTING WALLS BASES AND COVERS. EACH BASE AND THE COVER CAN BE VARIOUS HEIGHTS TO MEET THE REQUIREMENT OF INDIVIDUAL SITUATIONS. EACH BASE INCLUDES A GROOVE IN ITS UPER SURFACE ALONG EACH EDGE, AND EACH WALL SECTION INCLUDES A TONGUE PROTRUDING FROM ITS LOWER EDGE, WHICH FITS INTO THE GROOVE OF THE BASE. THE UPWARDLY EXTENDING EDGES OF EACH WALL INCLUDING FLANGE AND GROOVES WHICH FIT WITH THE FLANGES AND GROOVES OF ADJACENT WALLS. THE TOP EDGE OF EACH WALL INCLUDES A GROOVE, AND THE COVER WHICH CLOSES THE TOP OF THE EDGE OF ITS BOTTOM SURFACE WHICH PROTRUDE INTO THE GROOVES OF THE WALLS.
Inventors
- 👤 Howell P Little Jr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 08:19
CPC Classifications
E; E02; E02D; E02D29/00; E02D29/12; E03; E03F; E03F5/00; E03F5/02; Y; Y10; Y10T; Y10T137/00; Y10T137/6851; Y10T137/6966; Y10T137/6991
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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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) | 1974-02-15 | 1974-08-17 | 1975-02-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-02-15 | 1978-08-17 | 1979-02-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-02-15 | 1982-08-17 | 1983-02-16 | $7700.00 | Window Closed / Lapsed |