US2703152A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Suction cleaner
Assignee: CLARKE SANDING MACHINE Co
•
Filing: 1952-03-25
•
Granted: 1955-03-01
•
Expires: 1972-03-25
Abstract
No abstract record available.
Inventors
- 👤 William L Petersen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 11:17
CPC Classifications
A; A47; A47L; A47L9/00; A47L9/10; A47L9/12; A47L9/125; A47L7/00; A47L7/0004; A47L7/0023; A47L7/0028; A47L7/0038; A47L7/0042; A47L9/20
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1127242A
Cited
US1176721A
Cited
US2076304A
Cited
US2443162A
Cited
US2528375A
Cited
US2608268A
Cited
US2643732A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-02-28 | 1958-08-30 | 1959-03-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-02-28 | 1962-08-30 | 1963-03-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-02-28 | 1966-08-30 | 1967-03-01 | $7700.00 | Window Closed / Lapsed |