US2122356A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluid chuck operating mechanism
Assignee: Bullard Co
•
Filing: 1935-11-27
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Granted: 1938-06-28
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Expires: 1955-11-27
Abstract
No abstract record available.
Inventors
- 👤 Edward P Bullard
- 👤 Gustaf R Appelberg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 20:27
CPC Classifications
B; B23; B23B; B23B31/00; B23B31/02; B23B31/10; B23B31/12; B23B31/16; B23B31/16195; B23B31/16216; B23B31/1622; B23Q; B23Q1/00; B23Q1/0009; B23Q1/0018; Y; Y10; Y10S; Y10S470/00; Y10S470/90; Y10T; Y10T29/00; Y10T29/51; Y10T29/5124; Y10T29/5127; Y10T29/5128; Y10T29/5178
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1941-06-27 | 1941-12-27 | 1942-06-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1945-06-27 | 1945-12-27 | 1946-06-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1949-06-27 | 1949-12-27 | 1950-06-28 | $7700.00 | Window Closed / Lapsed |