Patent US2889848A successfully refreshed from Google Patents.
US2889848A
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US
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Flow control clamp
Assignee: REDMER SONS CO
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Filing: 1955-12-22
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Granted: 1959-06-09
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Expires: 1975-12-22
Abstract
No abstract record available.
Inventors
- 👤 Wilbert W Redmer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 13:06
CPC Classifications
B; B01; B01L; B01L3/00; B01L3/56; B01L3/567; A; A61; A61M; A61M39/00; A61M39/22; A61M39/28; A61M39/286; A61M39/287; Y; Y10; Y10T; Y10T137/00; Y10T137/598; Y10T137/60; Y10T24/00; Y10T24/44; Y10T24/44034
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) | 1962-06-08 | 1962-12-08 | 1963-06-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-06-08 | 1966-12-08 | 1967-06-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-06-08 | 1970-12-08 | 1971-06-09 | $7700.00 | Window Closed / Lapsed |