US2500796A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Positioning apparatus
Assignee: Bullard Co
•
Filing: 1947-03-24
•
Granted: 1950-03-14
•
Expires: 1967-03-24
Abstract
No abstract record available.
Inventors
- 👤 Edward P Bullard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 13:58
CPC Classifications
G; G05; G05B; G05B19/00; G05B19/02; G05B19/04; G05B19/0405; B; B23; B23Q; B23Q5/00; B23Q5/22; B23Q5/52; B23Q2705/00; B23Q2705/22; Y; Y10; Y10T; Y10T74/00; Y10T74/19; Y10T74/19219; Y10T74/19242; Y10T74/19377; Y10T74/19414; Y10T74/19419; Y10T74/19423; Y10T74/19428; Y10T74/19437
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2351921A
Cited
US2355625A
Cited
US2352183A
Cited
US2352184A
Cited
US2352185A
Cited
US2384809A
Cited
US2427493A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-03-13 | 1953-09-12 | 1954-03-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-03-13 | 1957-09-12 | 1958-03-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-03-13 | 1961-09-12 | 1962-03-14 | $7700.00 | Window Closed / Lapsed |