US2945520A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Door and jamb mortising machine
Assignee: ENGINEERED FRAMING Inc
•
Filing: 1958-06-30
•
Granted: 1960-07-19
•
Expires: 1978-06-30
Abstract
No abstract record available.
Inventors
- 👤 Grubb Kenneth Wayne
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 20:33
CPC Classifications
B; B27; B27F; B27F5/00; B27F5/02; B27F5/12
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB335689A
Cited
US2605791A
Cited
US2709855A
Cited
US2794460A
Cited
US2834384A
Cited
US2854761A
Cited
US2839104A
Cited
US2869245A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-07-19 | 1964-01-18 | 1964-07-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-07-19 | 1968-01-18 | 1968-07-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-07-19 | 1972-01-18 | 1972-07-19 | $7700.00 | Window Closed / Lapsed |