Patent US2648165A successfully refreshed from Google Patents.
US2648165A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Seed carrier
Assignee: 3M Co
•
Filing: 1945-06-04
•
Granted: 1953-08-11
•
Expires: 1965-06-04
Abstract
No abstract record available.
Inventors
- 👤 Leonard R Nestor
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:54
CPC Classifications
A; A01; A01C; A01C1/00; A01C1/04; A01C1/044; Y; Y10; Y10S; Y10S260/00; Y10S260/14; Y10S47/00; Y10S47/09; Y10S71/00; Y10S71/903
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
DE79129C
Cited
US1143980A
Cited
DE506731C
Cited
US2047398A
Cited
US2135075A
Cited
US2243857A
Cited
US2281927A
Cited
GB492596A
Cited
US2216045A
Cited
GB488392A
Cited
US2296584A
Cited
US2338103A
Cited
US2340072A
Cited
US2362761A
Cited
US2571491A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-08-10 | 1957-02-09 | 1957-08-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-08-10 | 1961-02-09 | 1961-08-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-08-10 | 1965-02-09 | 1965-08-11 | $7700.00 | Window Closed / Lapsed |