US2980341A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rotary sprinkler swivel with thrust bearing assembly
Assignee: COSEN JAMES R
•
Filing: 1955-05-02
•
Granted: 1961-04-18
•
Expires: 1975-05-02
Abstract
No abstract record available.
Inventors
- 👤 John A Royer
- 👤 William S Kimbro
- 👤 Harry D Jacoby
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 07:36
CPC Classifications
B; B05; B05B; B05B3/00; B05B3/02; B05B3/025; B05B3/026; B05B3/04
Claims Analysis
Total Claims: 0
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-04-17 | 1964-10-17 | 1965-04-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-04-17 | 1968-10-17 | 1969-04-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-04-17 | 1972-10-17 | 1973-04-18 | $7700.00 | Window Closed / Lapsed |