US3528120A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Disposable mop and holder for mop frame
Assignee: ROBERT J LINDSTROM
•
Filing: 1968-11-04
•
Granted: 1970-09-15
•
Expires: 1988-11-04
Abstract
No abstract record available.
Inventors
- 👤 Robert J Lindstrom
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 18:36
CPC Classifications
A; A47; A47L; A47L13/00; A47L13/10; A47L13/28; A47L13/29; Y; Y10; Y10S; Y10S493/00; Y10S493/942
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2227707A
Cited
US2651071A
Cited
US2916759A
Cited
US3295155A
Cited
US3384918A
Cited
US3395416A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-09-14 | 1974-03-16 | 1974-09-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-09-14 | 1978-03-16 | 1978-09-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-09-14 | 1982-03-16 | 1982-09-15 | $7700.00 | Window Closed / Lapsed |