US3478773A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Irrigation apparatus
Assignee: IND METALCRAFT CO Inc
•
Filing: 1968-11-21
•
Granted: 1969-11-18
•
Expires: 1988-11-21
Abstract
No abstract record available.
Inventors
- 👤 Glover A Husky
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 17:07
CPC Classifications
A; A01; A01G; A01G25/00; A01G25/09
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3118514A
Cited
US3175635A
Cited
US3385315A
Cited
US3355109A
Cited
US3318531A
Cited
US3353750A
Cited
US3327796A
Cited
US3415270A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-11-17 | 1973-05-19 | 1973-11-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-11-17 | 1977-05-19 | 1977-11-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-11-17 | 1981-05-19 | 1981-11-18 | $7700.00 | Window Closed / Lapsed |