US3098253A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cleaning device
Assignee: Individual
•
Filing: 1962-04-26
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Granted: 1963-07-23
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Expires: 1982-04-26
Abstract
No abstract record available.
Inventors
- 👤 Henry C Harrison
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 07:20
CPC Classifications
A; A47; A47L; A47L13/00; A47L13/10; A47L13/16
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
106 words
A CLEANING DEVICE COMPRISING: A COMPRESSIBLE SPONGE HAVING OPPOSED SIDE WALLS AND HAVING FIRST AND SECOND PASSAGES THEREIN IN TRANSVERSE RELATIONSHIP TO ONE ANOTHER, SAID SECOND PASSAGE COMMUNICATING WITH AT LEAST ONE OF SAID OPPOSED SIDE WALLS, AND IN CUMMUNICATION WITH SAID FIRST PASSAGE; SCRAPING MEANS OF RIGID BUT YIELDABLE ONE-PIECE CONSTRUCTION CARRIED WITHIN SAID SPONGE AND INCLUDING SUBSTANTIALLY PARALLEL FINGERS POSITIONED WITHIN SAID FIRST PASSAGE, AND CHISEL MEMBERS INTEGRALLY JOINED TO SAID FINGERS AND POSITIONED WITHIN SAID SECOND PASSAGE, SAID CHISEL MEMBERS INCLUDING CHISEL EDGES ADJACENT THE OPPOSED SPONGE WALL COMMUNICATING WITH SAID SECOND PASSAGE; AND MEANS SECURING SAID SCRAPING MEANS WITHIN SAID SPONGE PASSAGES.
Claim 2
Dependent Claim
106 words
A CLEANING DEVICE COMPRISING: A COMPRESSIBLE SPONGE HAVING OPPOSED SIDE WALLS AND HAVING FIRST AND SECOND PASSAGES THEREIN IN TRANSVERSE RELATIONSHIP TO ONE ANOTHER, SAID SECOND PASSAGE COMMUNICATING WITH AT LEAST ONE OF SAID OPPOSED SIDE WALLS, AND IN CUMMUNICATION WITH SAID FIRST PASSAGE; SCRAPING MEANS OF RIGID BUT YIELDABLE ONE-PIECE CONSTRUCTION CARRIED WITHIN SAID SPONGE AND INCLUDING SUBSTANTIALLY PARALLEL FINGERS POSITIONED WITHIN SAID FIRST PASSAGE, AND CHISEL MEMBERS INTEGRALLY JOINED TO SAID FINGERS AND POSITIONED WITHIN SAID SECOND PASSAGE, SAID CHISEL MEMBERS INCLUDING CHISEL EDGES ADJACENT THE OPPOSED SPONGE WALL COMMUNICATING WITH SAID SECOND PASSAGE; AND MEANS SECURING SAID SCRAPING MEANS WITHIN SAID SPONGE PASSAGES.
References Cited (Backward Citations)
US2915768A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-07-22 | 1967-01-21 | 1967-07-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-07-22 | 1971-01-21 | 1971-07-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-07-22 | 1975-01-21 | 1975-07-23 | $7700.00 | Window Closed / Lapsed |