Patent US1648900A successfully refreshed from Google Patents.
US1648900A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tool carrier for lathes
Assignee: Newport News Shipbuilding and Dry Dock Co
•
Filing: 1924-12-04
•
Granted: 1927-11-15
•
Expires: 1944-12-04
Abstract
No abstract record available.
Inventors
- 👤 Edmund F Heard
- 👤 Hugh Mayo M Fitz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 19:01
CPC Classifications
B; B23; B23Q; B23Q1/00; B23Q1/72; B23Q1/76; Y; Y10; Y10T; Y10T29/00; Y10T29/47; Y10T82/00; Y10T82/25; Y10T82/2572
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1930-11-14 | 1931-05-16 | 1931-11-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1934-11-14 | 1935-05-16 | 1935-11-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1938-11-14 | 1939-05-16 | 1939-11-15 | $7700.00 | Window Closed / Lapsed |