US3450281A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for stacking hay and the like
Assignee: JOHN R GROBERG
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Filing: 1966-10-31
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Granted: 1969-06-17
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Expires: 1986-10-31
Abstract
No abstract record available.
Inventors
- 👤 John R Groberg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 11:17
CPC Classifications
B; B60; B60P; B60P1/00; B60P1/04; B60P1/06; B60P1/08; A; A01; A01D; A01D85/00; A01D85/005; A01D90/00; A01D90/02; A01D90/08
Claims Analysis
Total Claims: 0
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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) | 1972-06-16 | 1972-12-16 | 1973-06-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-06-16 | 1976-12-16 | 1977-06-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-06-16 | 1980-12-16 | 1981-06-17 | $7700.00 | Window Closed / Lapsed |