US2707480A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Self proportioning system
Assignee: Individual
•
Filing: 1951-05-03
•
Granted: 1955-05-03
•
Expires: 1971-05-03
Abstract
No abstract record available.
Inventors
- 👤 Klosse Ernst
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 14:10
CPC Classifications
A; A62; A62C; A62C5/00; A62C5/002; G; G05; G05D; G05D11/00; G05D11/006; Y; Y10; Y10S; Y10S261/00; Y10S261/26; Y10T; Y10T137/00; Y10T137/2496; Y10T137/2514; Y10T137/2521; Y10T137/2526; Y10T137/2544; Y10T137/7722; Y10T137/7758; Y10T137/7759; Y10T137/776; Y10T137/8593; Y10T137/86493; Y10T137/86831
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1257070A
Cited
US1452265A
Cited
US1930848A
Cited
US2004869A
Cited
US2090069A
Cited
US2145114A
Cited
US2128721A
Cited
US2216422A
Cited
US2224101A
Cited
US2189235A
Cited
US2379633A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-05-02 | 1958-11-01 | 1959-05-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-05-02 | 1962-11-01 | 1963-05-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-05-02 | 1966-11-01 | 1967-05-03 | $7700.00 | Window Closed / Lapsed |