US2835386A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Egg grader
Assignee: MARZOLF Manufacturing Co
•
Filing: 1953-11-12
•
Granted: 1958-05-20
•
Expires: 1973-11-12
Abstract
No abstract record available.
Inventors
- 👤 Norbert F Marzolf
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 18:45
CPC Classifications
A; A01; A01K; A01K43/00; B; B07; B07C; B07C5/00; B07C5/16; B07C5/22; Y; Y10; Y10S; Y10S209/00; Y10S209/903; Y10S209/914
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1959237A
Cited
US2112259A
Cited
US2112823A
Cited
US2353539A
Cited
US2579602A
Cited
US2646168A
Cited
US2687802A
Cited
US2731146A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-05-19 | 1961-11-18 | 1962-05-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-05-19 | 1965-11-18 | 1966-05-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-05-19 | 1969-11-18 | 1970-05-20 | $7700.00 | Window Closed / Lapsed |