Patent FR2222239A1 successfully refreshed from Google Patents.
US3477781A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Weighing machine with optical projection
Assignee: Maatschappij Van Berkels Patent BV
•
Filing: 1966-05-06
•
Granted: 1969-11-11
•
Expires: 1986-05-06
Abstract
No abstract record available.
Inventors
- 👤 Pieter Jacob Six
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 14:16
CPC Classifications
G; G01; G01G; G01G23/00; G01G23/18; G01G23/32; G01G23/34
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-11-10 | 1973-05-12 | 1973-11-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-11-10 | 1977-05-12 | 1977-11-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-11-10 | 1981-05-12 | 1981-11-11 | $7700.00 | Window Closed / Lapsed |