US2836027A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Grass header
Assignee: Individual
•
Filing: 1956-04-16
•
Granted: 1958-05-27
•
Expires: 1976-04-16
Abstract
No abstract record available.
Inventors
- 👤 Pearson Yates
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 06:43
CPC Classifications
A; A01; A01D; A01D45/00; A01D45/30
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US576588A
Cited
US959819A
Cited
US1154493A
Cited
US1529003A
Cited
US2484981A
Cited
US2492223A
Cited
US2637965A
Cited
US2694891A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-05-26 | 1961-11-25 | 1962-05-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-05-26 | 1965-11-25 | 1966-05-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-05-26 | 1969-11-25 | 1970-05-27 | $7700.00 | Window Closed / Lapsed |