US3017867A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for opening and closing milking barn doors
Assignee: Individual
•
Filing: 1960-05-13
•
Granted: 1962-01-23
•
Expires: 1980-05-13
Abstract
No abstract record available.
Inventors
- 👤 Rollo E Brunsell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 23:34
CPC Classifications
A; A01; A01K; A01K1/00; A01K1/0005; A01K1/0017; E; E05; E05F; E05F15/00; E05F15/50; E05F15/56; E05Y; E05Y2900/00; E05Y2900/10; E05Y2900/13; E05Y2900/132; E05Y2900/40
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1790168A
Cited
US1919443A
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US1952690A
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US2304245A
Cited
US2432305A
Cited
US2429007A
Cited
US2841168A
Cited
US2688314A
Cited
US2769298A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-01-22 | 1965-07-24 | 1966-01-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-01-22 | 1969-07-24 | 1970-01-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-01-22 | 1973-07-24 | 1974-01-23 | $7700.00 | Window Closed / Lapsed |