Patent US2103344A successfully refreshed from Google Patents.
US2103344A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process of making linings for jordan engine shells
Assignee: John W Bolton and Sons Inc
•
Filing: 1937-02-25
•
Granted: 1937-12-28
•
Expires: 1957-02-25
Abstract
No abstract record available.
Inventors
- 👤 Harold D Stuck
- 👤 Nault Philip A De
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 09:10
CPC Classifications
B; B02; B02C; B02C2/00; B02C2/10; B02C18/00; B02C18/06; B02C18/16; B02C18/18; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/49863; Y10T29/49904; Y10T29/53; Y10T29/53678; Y10T29/53796; Y10T29/5383
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) | 1940-12-27 | 1941-06-28 | 1941-12-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1944-12-27 | 1945-06-28 | 1945-12-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1948-12-27 | 1949-06-28 | 1949-12-28 | $7700.00 | Window Closed / Lapsed |