US2899918A
Expired / Lapsed
US
⏱️ 0.0 years remaining
mcmillan
Assignee: —
•
Filing: —
•
Granted: 1959-08-18
•
Expires: 1976-08-18
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 08:04
CPC Classifications
A; A01; A01C; A01C9/00; A01C9/08; Y; Y10; Y10S; Y10S111/00; Y10S111/906; Y10S111/909; Y10S111/91
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US516745A
Cited
FR453651A
Cited
US1657944A
Cited
FR646825A
Cited
US1810671A
Cited
US1926476A
Cited
US2479534A
Cited
GB670047A
Cited
US2790255A
Cited
US2673536A
Cited
GB705821A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-08-17 | 1963-02-16 | 1963-08-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-08-17 | 1967-02-16 | 1967-08-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-08-17 | 1971-02-16 | 1971-08-18 | $7700.00 | Window Closed / Lapsed |