US3277500A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Membrane hinge for toilet seat
Assignee: Individual
•
Filing: 1963-10-28
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Granted: 1966-10-11
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Expires: 1983-10-28
Abstract
No abstract record available.
Inventors
- 👤 Norman L Carlson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 22:30
CPC Classifications
A; A47; A47K; A47K13/00; A47K13/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
144 words
A MEMBRANE HINGE FOR A TOILET HAVING: (A) A BOWL RIM INCLUDING A FLAT TOP SURFACE, (B) A SEAT HAVING A LOWER SURFACE, (C) AND A TOP HAVING A LOWER SURFACE, (D) SAID MEMBRANE HINGE COMPRISING IN COMBINATION A BOWL PAD ADAPTED TO BE SECURED TO THE FLAT TOP SURFACE OF SAID BOWL, (E) A LOWER WEB, (F) A STRETCHABLE MEMBRANE HINGE HAVING A FIXED AXIS OF SWING MOVEMENT PIVOTALLY INTERCONNECTING THE REAR EDGE OF SAID LOWER WEB TO THE FRONT UPPER EDGE OF SAID BOWL PAD, (G) AN UPPER WEB, (H) A SECOND STRETCHABLE MEMBRANE HINGE HAVING AN AXIS OF SWINGING MOVEMENT IN ALIGNMENT WITH THE PIVOT AXIS OF SAID FIRST MENTIONED MEMBRANE HINGE PIVOTALLY INTERCONNECTING THE REAR EDGE OF SAID UPPER WEB TO THE FRONT UPPER EDGE OF SAID BOWL PAD ADJACENT TO AND AXIALLY ALIGNED WITH SAID FIRST MENTIONED MEMBRANE HINGE,
Claim 2
Dependent Claim
144 words
A MEMBRANE HINGE FOR A TOILET HAVING: (A) A BOWL RIM INCLUDING A FLAT TOP SURFACE, (B) A SEAT HAVING A LOWER SURFACE, (C) AND A TOP HAVING A LOWER SURFACE, (D) SAID MEMBRANE HINGE COMPRISING IN COMBINATION A BOWL PAD ADAPTED TO BE SECURED TO THE FLAT TOP SURFACE OF SAID BOWL, (E) A LOWER WEB, (F) A STRETCHABLE MEMBRANE HINGE HAVING A FIXED AXIS OF SWING MOVEMENT PIVOTALLY INTERCONNECTING THE REAR EDGE OF SAID LOWER WEB TO THE FRONT UPPER EDGE OF SAID BOWL PAD, (G) AN UPPER WEB, (H) A SECOND STRETCHABLE MEMBRANE HINGE HAVING AN AXIS OF SWINGING MOVEMENT IN ALIGNMENT WITH THE PIVOT AXIS OF SAID FIRST MENTIONED MEMBRANE HINGE PIVOTALLY INTERCONNECTING THE REAR EDGE OF SAID UPPER WEB TO THE FRONT UPPER EDGE OF SAID BOWL PAD ADJACENT TO AND AXIALLY ALIGNED WITH SAID FIRST MENTIONED MEMBRANE HINGE,
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) | 1969-10-10 | 1970-04-11 | 1970-10-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-10 | 1974-04-11 | 1974-10-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-10 | 1978-04-11 | 1978-10-11 | $7700.00 | Window Closed / Lapsed |