US3081479A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Applicator
Assignee: Wyeth Holdings LLC
•
Filing: 1960-05-23
•
Granted: 1963-03-19
•
Expires: 1980-05-23
Abstract
No abstract record available.
Inventors
- 👤 Joseph F Hanlon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:12
CPC Classifications
A; A47; A47L; A47L13/00; A47L13/10; A47L13/20; A47L13/24; A47L13/254; A47L13/257
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
59 words
A SHAMPOOING DEVICE COMPRISING A HOUSING OF A FLEXIBLE MOLDED POLYURETHANE ETHER FOAM SPONGE, SAID HOUSING SPONGE BEING CHARACTERIZED BY A HIGH DEGREE OF POROSITY WITHIN RANGE OF BETWEEN 40 AND 60 PORES PER LINEAL INCH AND HAVING A RECESSED CHANNEL THEREIN ADAPTED TO RECEIVE A FLEXIBLE SPONGEOUS RESERVOIR OF LIKE SIZE AND CONFIGURATION, SAD SPONGEOUS RESERVOIR BEING CHARACTER-
Claim 2
Dependent Claim
59 words
A SHAMPOOING DEVICE COMPRISING A HOUSING OF A FLEXIBLE MOLDED POLYURETHANE ETHER FOAM SPONGE, SAID HOUSING SPONGE BEING CHARACTERIZED BY A HIGH DEGREE OF POROSITY WITHIN RANGE OF BETWEEN 40 AND 60 PORES PER LINEAL INCH AND HAVING A RECESSED CHANNEL THEREIN ADAPTED TO RECEIVE A FLEXIBLE SPONGEOUS RESERVOIR OF LIKE SIZE AND CONFIGURATION, SAD SPONGEOUS RESERVOIR BEING CHARACTER-
References Cited (Backward Citations)
US2591481A
Cited
US2899697A
Cited
US2107636A
Cited
US2133805A
Cited
US2317662A
Cited
US3002937A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-03-18 | 1966-09-17 | 1967-03-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-03-18 | 1970-09-17 | 1971-03-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-03-18 | 1974-09-17 | 1975-03-19 | $7700.00 | Window Closed / Lapsed |