US2593894A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Proportioner resetting mechanism
Assignee: Bowser Inc
•
Filing: 1947-02-08
•
Granted: 1952-04-22
•
Expires: 1967-02-08
Abstract
No abstract record available.
Inventors
- 👤 Gerald J Klopfenstein
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 23:54
CPC Classifications
G; G05; G05D; G05D11/00; G05D11/02; G05D11/13; G05D11/131; G05D11/132
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US134956A
Cited
US1876512A
Cited
US1744307A
Cited
US1823960A
Cited
US1964028A
Cited
US1985918A
Cited
US2137013A
Cited
US2116785A
Cited
US2082391A
Cited
US2051597A
Cited
US2196805A
Cited
US2340743A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-04-22 | 1955-10-22 | 1956-04-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-04-22 | 1959-10-22 | 1960-04-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-04-22 | 1963-10-22 | 1964-04-22 | $7700.00 | Window Closed / Lapsed |