US2591481A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Spongious cleaning device
Assignee: —
•
Filing: —
•
Granted: 1952-04-01
•
Expires: 1969-04-01
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 06:58
CPC Classifications
C; C11; C11D; C11D17/00; C11D17/04; C11D17/049; A; A47; A47K; A47K7/00; A47K7/02; A47K7/03; A61; A61K; A61K8/00; A61K8/02; A61K8/0208; A61Q; A61Q19/00; A61Q19/10; C11D17/041; C11D9/00; C11D9/04; C11D9/06; C11D9/08; C11D9/10; C11D9/14
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
17 words
A CLEANING DEVICE CONSISTING OF A SPONGIOUS BODY IMPREGNATED WITH A SUSTANTIALLY ANHYDROUS, SYNTHETIC, ORGANIC, NON-SAPONACEOUS DETERGENT.
Claim 2
Dependent Claim
17 words
A CLEANING DEVICE CONSISTING OF A SPONGIOUS BODY IMPREGNATED WITH A SUSTANTIALLY ANHYDROUS, SYNTHETIC, ORGANIC, NON-SAPONACEOUS DETERGENT.
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) | 1955-04-01 | 1955-10-01 | 1956-04-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-04-01 | 1959-10-01 | 1960-04-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-04-01 | 1963-10-01 | 1964-04-01 | $7700.00 | Window Closed / Lapsed |