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US2584394A
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Assignee: Bowser Inc
•
Filing: 1946-01-26
•
Granted: 1952-02-05
•
Expires: 1966-01-26
Abstract
No abstract record available.
Inventors
- 👤 Harvey E Marvel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 13:07
CPC Classifications
B; B01; B01D; B01D29/00; B01D29/62; B01D29/66; B01D29/11; B01D29/13; B01D29/15; B01D29/50; B01D29/52; B01D36/00; B01D36/001; B01D37/00; B01D37/02
Claims Analysis
Total Claims: 0
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-02-04 | 1955-08-06 | 1956-02-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-02-04 | 1959-08-06 | 1960-02-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-02-04 | 1963-08-06 | 1964-02-05 | $7700.00 | Window Closed / Lapsed |