US2652151A
Expired / Lapsed
US
⏱️ 0.0 years remaining
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Assignee: Individual
•
Filing: 1950-09-23
•
Granted: 1953-09-15
•
Expires: 1970-09-23
Abstract
No abstract record available.
Inventors
- 👤 Paul L Legus
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 21:41
CPC Classifications
A; A01; A01K; A01K63/00; A01K63/04; A01K63/045; B; B01; B01D; B01D24/00; B01D24/02; B01D24/20; B01D24/26; B01D24/263
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US244262A
Cited
GB189711200A
Cited
US1152399A
Cited
US1743524A
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US1743525A
Cited
US1776883A
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US2275428A
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US2359985A
Cited
US2486389A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-09-14 | 1957-03-16 | 1957-09-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-09-14 | 1961-03-16 | 1961-09-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-09-14 | 1965-03-16 | 1965-09-15 | $7700.00 | Window Closed / Lapsed |