US2929187A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Central delivery hay rake
Assignee: Individual
•
Filing: 1957-01-24
•
Granted: 1960-03-22
•
Expires: 1977-01-24
Abstract
No abstract record available.
Inventors
- 👤 Louis E Boggio
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 02:38
CPC Classifications
A; A01; A01D; A01D78/00; A01D78/02; A01D78/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2731782A
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US852269A
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US1096043A
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US1115732A
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US1336065A
Cited
US1291392A
Cited
US1272617A
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US1750033A
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US1877770A
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US2597828A
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US2639575A
Cited
US2643505A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-03-22 | 1963-09-21 | 1964-03-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-03-22 | 1967-09-21 | 1968-03-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-03-22 | 1971-09-21 | 1972-03-22 | $7700.00 | Window Closed / Lapsed |