US2923034A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for the manufacture of filter bodies
Assignee: Acordis UK Ltd
•
Filing: 1956-06-25
•
Granted: 1960-02-02
•
Expires: 1976-06-25
Abstract
No abstract record available.
Inventors
- 👤 Dickie William Alexander
- 👤 Krzesinski Boleslaw
- 👤 Finlayson Donald
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 06:57
CPC Classifications
A; A24; A24D; A24D3/00; A24D3/02; A24D3/0229; A24D3/0241; B; B01; B01J; B01J20/00; B01J20/22; Y; Y10; Y10S; Y10S264/00; Y10S264/75
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US50070A
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US1641049A
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US2297248A
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US2339979A
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US2413735A
Cited
US2476582A
Cited
US2525135A
Cited
GB623964A
Cited
US2662344A
Cited
GB730700A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-02-01 | 1963-08-03 | 1964-02-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-02-01 | 1967-08-03 | 1968-02-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-02-01 | 1971-08-03 | 1972-02-02 | $7700.00 | Window Closed / Lapsed |