US2768768A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Calking gun
Assignee: Gibson-Homans Co
•
Filing: 1953-02-27
•
Granted: 1956-10-30
•
Expires: 1973-02-27
Abstract
No abstract record available.
Inventors
- 👤 Norman M Cornell
- 👤 Harold M Gulick
- 👤 Vern L Boven
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:42
CPC Classifications
G; G01; G01F; G01F11/00; G01F11/02; G01F11/021; G01F11/025; G01F11/026; B; B05; B05C; B05C17/00; B05C17/005; B05C17/01; B05C17/0116; B05C17/012; B05C17/0123; B05C17/014; Y; Y10; Y10T; Y10T74/00; Y10T74/15; Y10T74/1558; Y10T74/1587; Y10T74/1598; Y10T74/20; Y10T74/20576; Y10T74/20636
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US514508A
Cited
US2115591A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-10-30 | 1960-04-30 | 1960-10-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-10-30 | 1964-04-30 | 1964-10-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-10-30 | 1968-04-30 | 1968-10-30 | $7700.00 | Window Closed / Lapsed |