US2705618A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Concrete vibrator tool
Assignee: Individual
•
Filing: 1953-06-23
•
Granted: 1955-04-05
•
Expires: 1973-06-23
Abstract
No abstract record available.
Inventors
- 👤 Wyzenbeek Andrew
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 03:46
CPC Classifications
E; E04; E04G; E04G21/00; E04G21/02; E04G21/06; E04G21/08; Y; Y10; Y10S; Y10S411/00; Y10S411/924; Y10S411/95; Y10S411/951; Y10T; Y10T74/00; Y10T74/18; Y10T74/18544; Y10T74/18552
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US498943A
Cited
US1104731A
Cited
US1185772A
Cited
US1465148A
Cited
US1986061A
Cited
US2314897A
Cited
US2492431A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-04-04 | 1958-10-04 | 1959-04-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-04-04 | 1962-10-04 | 1963-04-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-04-04 | 1966-10-04 | 1967-04-05 | $7700.00 | Window Closed / Lapsed |