Patent US2723921A successfully refreshed from Google Patents.
US2723921A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrostatic coating
Assignee: Ransburg Corp
•
Filing: 1950-06-10
•
Granted: 1955-11-15
•
Expires: 1970-06-10
Abstract
No abstract record available.
Inventors
- 👤 William A Starkey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 22:05
CPC Classifications
B; B05; B05D; B05D1/00; B05D1/02; B05D1/04; B05D1/045; B05B; B05B14/00; B05B5/00; B05B5/08; B05B5/087; Y; Y02; Y02P; Y02P70/00; Y02P70/10
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2097233A
Cited
US2087260A
Cited
US2221338A
Cited
US2187306A
Cited
US2231324A
Cited
US2334648A
Cited
US2247063A
Cited
US2438561A
Cited
US2486877A
Cited
US2431629A
Cited
US2551035A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-11-14 | 1959-05-16 | 1959-11-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-11-14 | 1963-05-16 | 1963-11-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-11-14 | 1967-05-16 | 1967-11-15 | $7700.00 | Window Closed / Lapsed |