US2818877A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Watering system for plants and the like
Assignee: Individual
•
Filing: 1957-03-29
•
Granted: 1958-01-07
•
Expires: 1977-03-29
Abstract
No abstract record available.
Inventors
- 👤 Fritz O Swanson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 00:34
CPC Classifications
A; A01; A01G; A01G27/00; A01G27/001; Y; Y10; Y10T; Y10T137/00; Y10T137/2713; Y10T137/2774; Y10T137/2795; Y10T137/2842; Y10T137/2911; Y10T137/7287; Y10T137/7358; Y10T137/7404; Y10T137/742; Y10T137/7439; Y10T137/7465
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-01-06 | 1961-07-08 | 1962-01-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-01-06 | 1965-07-08 | 1966-01-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-01-06 | 1969-07-08 | 1970-01-07 | $7700.00 | Window Closed / Lapsed |