US2459660A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Straining device
Assignee: Individual
•
Filing: 1947-11-05
•
Granted: 1949-01-18
•
Expires: 1967-11-05
Abstract
No abstract record available.
Inventors
- 👤 Lila L Lange
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 04:55
CPC Classifications
B; B01; B01D; B01D35/00; B01D35/26; B01D21/00; B01D21/26; B01D21/262; B01D33/00; B01D33/01; B01D33/03; B01D33/0307; B01D33/033
Claims Analysis
Total Claims: 0
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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) | 1952-01-18 | 1952-07-19 | 1953-01-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-01-18 | 1956-07-19 | 1957-01-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-01-18 | 1960-07-19 | 1961-01-18 | $7700.00 | Window Closed / Lapsed |