US2804767A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gun type trowel
Assignee: Individual
•
Filing: 1955-06-21
•
Granted: 1957-09-03
•
Expires: 1975-06-21
Abstract
No abstract record available.
Inventors
- 👤 Harvey P Schoen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 02:28
CPC Classifications
B; B05; B05C; B05C17/00; B05C17/005; B05C17/0052; B05C17/00503; B05C17/00516; B05C17/00596; E; E04; E04F; E04F21/00; E04F21/02; E04F21/06; E04F21/08
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) | 1960-09-02 | 1961-03-04 | 1961-09-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-09-02 | 1965-03-04 | 1965-09-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-09-02 | 1969-03-04 | 1969-09-03 | $7700.00 | Window Closed / Lapsed |