US2546691A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Coagulating apparatus
Assignee: Infilco Inc
•
Filing: 1947-09-03
•
Granted: 1951-03-27
•
Expires: 1967-09-03
Abstract
No abstract record available.
Inventors
- 👤 Walter H Green
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 01:38
CPC Classifications
C; C02; C02F; C02F1/00; C02F1/52; C02F1/5281
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
USRE22194E
Cited
US656217A
Cited
US957361A
Cited
US1605596A
Cited
US2081851A
Cited
US2268461A
Cited
US2382605A
Cited
US2425372A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-03-26 | 1954-09-25 | 1955-03-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-03-26 | 1958-09-25 | 1959-03-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-03-26 | 1962-09-25 | 1963-03-27 | $7700.00 | Window Closed / Lapsed |