US2636610A
Expired / Lapsed
US
⏱️ 0.0 years remaining
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Assignee: Individual
•
Filing: 1948-07-23
•
Granted: 1953-04-28
•
Expires: 1968-07-23
Abstract
No abstract record available.
Inventors
- 👤 Bickle Harry Milman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 21:23
CPC Classifications
B; B01; B01D; B01D35/00; B01D27/00; B01D27/02; B01D27/08; B01D27/10; B01D37/00; B01D37/02
Claims Analysis
Total Claims: 0
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US2134385A
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US2253686A
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US2314640A
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US2480108A
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US2533266A
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US2487146A
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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) | 1956-04-27 | 1956-10-27 | 1957-04-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-04-27 | 1960-10-27 | 1961-04-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-04-27 | 1964-10-27 | 1965-04-28 | $7700.00 | Window Closed / Lapsed |