US2919522A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Machine tool
Assignee: Hammond Machinery Builders Inc
•
Filing: 1958-05-23
•
Granted: 1960-01-05
•
Expires: 1978-05-23
Abstract
No abstract record available.
Inventors
- 👤 Philip J Robischung
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 14:27
CPC Classifications
B; B24; B24B; B24B41/00; B24B41/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2103074A
Cited
FR854224A
Cited
US2385198A
Cited
GB637872A
Cited
US2764543A
Cited
US2772232A
Cited
US2746917A
Cited
US2778794A
Cited
US2783199A
Cited
US2815435A
Cited
US2805197A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-01-04 | 1963-07-06 | 1964-01-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-01-04 | 1967-07-06 | 1968-01-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-01-04 | 1971-07-06 | 1972-01-05 | $7700.00 | Window Closed / Lapsed |