US2890298A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pendant switch
Assignee: Bullard Co
•
Filing: 1953-10-15
•
Granted: 1959-06-09
•
Expires: 1973-10-15
Abstract
No abstract record available.
Inventors
- 👤 Edward C Bullard
- 👤 Claude M Grinage
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 20:19
CPC Classifications
B; B23; B23Q; B23Q15/00; B23Q15/007; B23Q15/013; Y; Y10; Y10T; Y10T29/00; Y10T29/51; Y10T29/5104; Y10T29/5105; Y10T29/5109; Y10T29/5111; Y10T29/5124; Y10T29/5127; Y10T29/5128; Y10T409/00; Y10T409/30; Y10T409/30448; Y10T409/30784; Y10T409/307952; Y10T409/308288
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1794193A
Cited
US2009536A
Cited
US2143255A
Cited
US2150838A
Cited
US2202766A
Cited
US2355625A
Cited
US2391881A
Cited
US2397978A
Cited
US2575792A
Cited
US2526487A
Cited
US2612071A
Cited
US2694755A
Cited
US2670633A
Cited
US2701477A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-06-08 | 1962-12-08 | 1963-06-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-06-08 | 1966-12-08 | 1967-06-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-06-08 | 1970-12-08 | 1971-06-09 | $7700.00 | Window Closed / Lapsed |