US3499173A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Water closets
Assignee: Simpson Lawrence Ltd
•
Filing: 1966-06-07
•
Granted: 1970-03-10
•
Expires: 1986-06-07
Abstract
No abstract record available.
Inventors
- 👤 Gordon M Lyall
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 21:21
CPC Classifications
E; E03; E03D; E03D5/00; E03D5/012; B; B63; B63B; B63B29/00; B63B29/02; B63B29/14; B63B29/16; B63J; B63J4/00; B63J4/006
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US591190A
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US689914A
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US762059A
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US1329932A
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US1421362A
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US1692202A
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US1718985A
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US1650370A
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US1888842A
Cited
US2435468A
Cited
US2501510A
Cited
US2569928A
Cited
US2886826A
Cited
US2988052A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-03-09 | 1973-09-08 | 1974-03-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-03-09 | 1977-09-08 | 1978-03-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-03-09 | 1981-09-08 | 1982-03-10 | $7700.00 | Window Closed / Lapsed |