Patent US3605352A successfully refreshed from Google Patents.
US3605352A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bathtub and shower surround
Assignee: Trane US Inc
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Filing: 1969-12-12
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Granted: 1971-09-20
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Expires: 1989-12-12
Abstract
Abstract THIS INVENTION COMPRISES MAKING A TUB FROM RESINBONDED GLASS FIBERS OR A RESIN WITH AN INORGANIC FILLER, WHICH IS PRE-DIMENSIONED, AND A SHOWER SURROUND ADAPTED TO BE ASSOCIATED THEREWITH TO FORM A WATER-TIGHT ENCLOSURE WITH THE TUB. THE TUB AND SHOWER SURROUND ARE PROVIDED WITH IMPROVED JOINTS WHICH WILL BE UNDER TENSION WHEN ASSEMBLED AS AN INTEGRATED TUB AND SHOWER UNIT TO MAKE IT LEAK-PROOF AND WHICH WILL BE FREE FROM ANY SHEARING STRESSES BEING EXERTED ON ANY CAULKING OR OTHER ADHESIVES USED WITH THE JOINTS AFTER THE UNIT IS ASSEMBLED.
Inventors
- 👤 Kay L Ruggles
- 👤 Norman Van Skyhawk
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 11:12
CPC Classifications
A; A47; A47K; A47K3/00; A47K3/20; A47K3/008
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-09-19 | 1975-03-21 | 1975-09-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-09-19 | 1979-03-21 | 1979-09-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-09-19 | 1983-03-21 | 1983-09-20 | $7700.00 | Window Closed / Lapsed |