Patent US3037635A successfully refreshed from Google Patents.
US3037635A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for filtering liquid
Assignee: WHITE FILTER SALES CO
•
Filing: 1954-07-07
•
Granted: 1962-06-05
•
Expires: 1974-07-07
Abstract
No abstract record available.
Inventors
- 👤 Boorujy Salem
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 07:06
CPC Classifications
B; B01; B01D; B01D39/00; B01D39/14; B01D39/16; B01D39/18; B01D29/00; B01D29/11; B01D29/13; B01D29/15; B01D29/50; B01D29/52; B01D29/62; B01D29/70; B01D35/00; B01D37/00; B01D37/02
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US403073A
Cited
US774349A
Cited
US773473A
Cited
US1045095A
Cited
US1148237A
Cited
US1472574A
Cited
US1510863A
Cited
US1579171A
Cited
US1547368A
Cited
FR579326A
Cited
US1604650A
Cited
US1804512A
Cited
US1937481A
Cited
US2041048A
Cited
US2145535A
Cited
US2221210A
Cited
US2214943A
Cited
US2300789A
Cited
US2330211A
Cited
US2423172A
Cited
US2549063A
Cited
GB692266A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-06-04 | 1965-12-04 | 1966-06-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-06-04 | 1969-12-04 | 1970-06-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-06-04 | 1973-12-04 | 1974-06-05 | $7700.00 | Window Closed / Lapsed |