Patent BE448249A successfully refreshed from Google Patents.
Patent US2933221A successfully refreshed from Google Patents.
US2933221A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dispensing gun structure
Assignee: Gibson-Homans Co
•
Filing: 1957-02-28
•
Granted: 1960-04-19
•
Expires: 1977-02-28
Abstract
No abstract record available.
Inventors
- 👤 Henry J Rand
- 👤 Herman S Lehner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 14:42
CPC Classifications
B; B05; B05C; B05C17/00; B05C17/005; B05C17/01; B05C17/0116; B05C17/012; B05C17/0123; B05C17/00576; G; G01; G01F; G01F11/00; G01F11/02; G01F11/021; G01F11/025; G01F11/026
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) | 1963-04-19 | 1963-10-19 | 1964-04-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-04-19 | 1967-10-19 | 1968-04-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-04-19 | 1971-10-19 | 1972-04-19 | $7700.00 | Window Closed / Lapsed |