US2730469A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of cleaning milking machine teat cups
Assignee: Individual
•
Filing: 1949-12-13
•
Granted: 1956-01-10
•
Expires: 1969-12-13
Abstract
No abstract record available.
Inventors
- 👤 Walter M Harwedel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 12:41
CPC Classifications
A; A01; A01J; A01J7/00; A01J7/02; A01J7/025
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1726892A
Cited
US322644A
Cited
US616696A
Cited
US172996A
Cited
GB189611751A
Cited
US667060A
Cited
US863762A
Cited
US873311A
Cited
US1382587A
Cited
US1665257A
Cited
GB352274A
Cited
US2333713A
Cited
US2429581A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-01-09 | 1959-07-11 | 1960-01-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-01-09 | 1963-07-11 | 1964-01-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-01-09 | 1967-07-11 | 1968-01-10 | $7700.00 | Window Closed / Lapsed |