US3418669A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sanitary cover for a recessed floor drain
Assignee: STUART L MAXWELL
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Filing: 1966-07-14
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Granted: 1968-12-31
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Expires: 1986-07-14
Abstract
No abstract record available.
Inventors
- 👤 Stuart L Maxwell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 03:24
CPC Classifications
E; E03; E03F; E03F5/00; E03F5/04; E03F5/0407; E03F2005/0412; E03F2005/0413
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
70 words
A SANITARY COVER FOR A RECESSED FLOOR DRAIN COMPRISING: A FLAT HORIZONTAL PLATE MEMBER HAVING A SMALL DIAMETER OPENING IN THE CENTER THEREOF; VERTICAL DOWNWARDLY EXTENDING LUGS AFFIXED TO THE LOWER SURFACE OF SAID PLATE MEMBER, SAID LUGS BEING SPACED FROM EACH OTHER AND POSITIONED INTERMEDIATE SAID SMALL OPENING AND THE PERIPHERY OF SAID PLATE, EACH OF SAID LUGS HAVING A THREADED OPENING THEREIN COMMUNICATING WITH THE LOWER SURFACE THEREOF;
Claim 2
Dependent Claim
70 words
A SANITARY COVER FOR A RECESSED FLOOR DRAIN COMPRISING: A FLAT HORIZONTAL PLATE MEMBER HAVING A SMALL DIAMETER OPENING IN THE CENTER THEREOF; VERTICAL DOWNWARDLY EXTENDING LUGS AFFIXED TO THE LOWER SURFACE OF SAID PLATE MEMBER, SAID LUGS BEING SPACED FROM EACH OTHER AND POSITIONED INTERMEDIATE SAID SMALL OPENING AND THE PERIPHERY OF SAID PLATE, EACH OF SAID LUGS HAVING A THREADED OPENING THEREIN COMMUNICATING WITH THE LOWER SURFACE THEREOF;
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) | 1971-12-31 | 1972-07-01 | 1972-12-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-12-31 | 1976-07-01 | 1976-12-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-12-31 | 1980-07-01 | 1980-12-31 | $7700.00 | Window Closed / Lapsed |