US2596565A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Reinforced sponge and method of reinforcing it
Assignee: Individual
•
Filing: 1946-09-23
•
Granted: 1952-05-13
•
Expires: 1966-09-23
Abstract
No abstract record available.
Inventors
- 👤 William E Kautenberg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 12:31
CPC Classifications
A; A47; A47K; A47K7/00; A47K7/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
41 words
THE METHOD OF REINFORCING PREFORMED CELLULOSE SPONGE WITH LATEX WHICH COMPRISES FORCING SEPARATE AND INDEPENDENT SMALLER MASSES OF LATEX INTO THE SPONGE AND EXTENDING INTO THE ADJACENT COMMUNICATING PORES AND FISSURES, AND ALLOWING THE LATEX TO HARDEN OR SET IN PLACE.
Claim 2
Independent Claim
41 words
THE METHOD OF REINFORCING PREFORMED CELLULOSE SPONGE WITH LATEX WHICH COMPRISES FORCING SEPARATE AND INDEPENDENT SMALLER MASSES OF LATEX INTO THE SPONGE AND EXTENDING INTO THE ADJACENT COMMUNICATING PORES AND FISSURES, AND ALLOWING THE LATEX TO HARDEN OR SET IN PLACE.
References Cited (Backward Citations)
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Cited
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US1447708A
Cited
US1978620A
Cited
US2210967A
Cited
US2186050A
Cited
US2232389A
Cited
US2380762A
Cited
US2268403A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-05-13 | 1955-11-12 | 1956-05-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-05-13 | 1959-11-12 | 1960-05-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-05-13 | 1963-11-12 | 1964-05-13 | $7700.00 | Window Closed / Lapsed |