US2765806A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Watering systems
Assignee: WEBSTER Corp
•
Filing: 1953-12-17
•
Granted: 1956-10-09
•
Expires: 1973-12-17
Abstract
No abstract record available.
Inventors
- 👤 Henry N Webster
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 21:46
CPC Classifications
A; A01; A01G; A01G25/00; A01G25/16; F; F16; F16L; F16L27/00; F16L27/12; F16L27/127; F16L37/00; F16L37/28; F16L37/38; F16L37/44; F16L37/50; F16L37/54; Y; Y10; Y10S; Y10S239/00; Y10S239/15; Y10T; Y10T137/00; Y10T137/598; Y10T137/612; Y10T137/613; Y10T137/6137
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US277872A
Cited
US478716A
Cited
GB190403838A
Cited
US1169418A
Cited
US1836133A
Cited
US2355408A
Cited
US2589321A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-10-09 | 1960-04-09 | 1960-10-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-10-09 | 1964-04-09 | 1964-10-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-10-09 | 1968-04-09 | 1968-10-09 | $7700.00 | Window Closed / Lapsed |