US2899071A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bounin
Assignee: —
•
Filing: —
•
Granted: 1959-08-11
•
Expires: 1976-08-11
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 08:46
CPC Classifications
B; B01; B01D; B01D21/00; B01D21/0018; B01D21/0039; B01D21/0045; B01D21/02; B01D21/04; B01D21/06; B01D21/24; B01D21/2427; B01D21/28; B01D21/286
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1842938A
Cited
US628378A
Cited
US1605596A
Cited
US1851684A
Cited
US1879135A
Cited
US2000418A
Cited
US2301461A
Cited
US2361283A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-08-10 | 1963-02-09 | 1963-08-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-08-10 | 1967-02-09 | 1967-08-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-08-10 | 1971-02-09 | 1971-08-11 | $7700.00 | Window Closed / Lapsed |