US3143176A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sprinkler head, grass trimming adapter
Assignee: Individual
•
Filing: 1962-01-31
•
Granted: 1964-08-04
•
Expires: 1982-01-31
Abstract
No abstract record available.
Inventors
- 👤 Jr Hugh N Drane
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 06:23
CPC Classifications
A; A01; A01D; A01D34/00; A01D34/835; A01D34/84; A01G; A01G25/00; Y; Y10; Y10T; Y10T408/00; Y10T408/55; Y10T408/559; Y10T408/564; Y10T408/5653
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1857383A
Cited
US1765288A
Cited
US2318334A
Cited
FR882388A
Cited
US2809864A
Cited
US2953852A
Cited
US3028669A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-08-04 | 1968-02-03 | 1968-08-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-08-04 | 1972-02-03 | 1972-08-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-08-04 | 1976-02-03 | 1976-08-04 | $7700.00 | Window Closed / Lapsed |