US3452876A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dewatering equipment
Assignee: Bauer Brothers Co
•
Filing: 1966-06-29
•
Granted: 1969-07-01
•
Expires: 1986-06-29
Abstract
No abstract record available.
Inventors
- 👤 Marvin E Ginaven
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 02:01
CPC Classifications
B; B01; B01D; B01D35/00; B01D35/28; D; D21; D21D; D21D5/00; D21D5/02; D21D5/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2142600A
Cited
US2572869A
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US2600508A
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GB725264A
Cited
US2790552A
Cited
US2703649A
Cited
US2916142A
Cited
US2896785A
Cited
US3116239A
Cited
US3259244A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-06-30 | 1972-12-30 | 1973-07-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-06-30 | 1976-12-30 | 1977-07-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-06-30 | 1980-12-30 | 1981-07-01 | $7700.00 | Window Closed / Lapsed |