US3033467A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lawn sprinkler
Assignee: Individual
•
Filing: 1959-01-19
•
Granted: 1962-05-08
•
Expires: 1979-01-19
Abstract
No abstract record available.
Inventors
- 👤 Edmund L Hofer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:22
CPC Classifications
B; B05; B05B; B05B15/00; B05B15/70; B05B15/72; B05B15/74
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1484888A
Cited
US1815395A
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US2098487A
Cited
US2403953A
Cited
US2585782A
Cited
US2899018A
Cited
US2812977A
Cited
US2879946A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-05-07 | 1965-11-06 | 1966-05-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-05-07 | 1969-11-06 | 1970-05-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-05-07 | 1973-11-06 | 1974-05-08 | $7700.00 | Window Closed / Lapsed |