US2602685A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Suction cleaner clamp
Assignee: ROYAL VACUUM CLEANER Co
•
Filing: 1949-04-07
•
Granted: 1952-07-08
•
Expires: 1969-04-07
Abstract
No abstract record available.
Inventors
- 👤 Eugene F Martinet
- 👤 Koren Frank
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 14:30
CPC Classifications
A; A47; A47L; A47L9/00; Y; Y10; Y10T; Y10T292/00; Y10T292/08; Y10T292/0911; Y10T292/0913; Y10T292/0914; Y10T292/0918
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2328003A
Cited
US2462282A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-07-08 | 1956-01-07 | 1956-07-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-07-08 | 1960-01-07 | 1960-07-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-07-08 | 1964-01-07 | 1964-07-08 | $7700.00 | Window Closed / Lapsed |