US2459082A
Expired / Lapsed
US
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Assignee: Individual
•
Filing: 1945-07-11
•
Granted: 1949-01-11
•
Expires: 1965-07-11
Abstract
No abstract record available.
Inventors
- 👤 Mccaskell William
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 22:00
CPC Classifications
B; B01; B01D; B01D33/00; B01D33/15; B01D33/21; B01D29/00; B01D29/11; B01D29/31; B01D29/35; B01D29/62; B01D29/64; B01D29/6469; B01D29/6476; B01D29/76; B01D29/80; B01D29/82; B01D29/828; B01D33/35; B01D33/37; B01D33/39; B01D33/44; B01D33/46; B01D33/466; B01D33/52; B01D33/54; B01D33/80; B01D33/804; B01D33/806
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) | 1952-01-11 | 1952-07-12 | 1953-01-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-01-11 | 1956-07-12 | 1957-01-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-01-11 | 1960-07-12 | 1961-01-11 | $7700.00 | Window Closed / Lapsed |