Patent US3700252A successfully refreshed from Google Patents.
Patent US2564196A successfully refreshed from Google Patents.
US2564196A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Valve tap
Assignee: Individual
•
Filing: 1946-07-08
•
Granted: 1951-08-14
•
Expires: 1966-07-08
Abstract
No abstract record available.
Inventors
- 👤 Denzler Berthold
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 11:11
CPC Classifications
B; B23; B23G; B23G5/00; B23G5/02; B23G5/06; Y; Y10; Y10T; Y10T408/00; Y10T408/89; Y10T408/904; Y10T408/9048; Y10T409/00; Y10T409/30; Y10T409/306216
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US177410A
Cited
US1062342A
Cited
CA179725A
Cited
US1888259A
Cited
US2082461A
Cited
US2157662A
Cited
US2300310A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-08-13 | 1955-02-12 | 1955-08-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-08-13 | 1959-02-12 | 1959-08-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-08-13 | 1963-02-12 | 1963-08-14 | $7700.00 | Window Closed / Lapsed |