US2444192A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Manufacture of damped bellows
Assignee: Robertshaw Controls Co
•
Filing: 1944-05-29
•
Granted: 1948-06-29
•
Expires: 1964-05-29
Abstract
No abstract record available.
Inventors
- 👤 Jean V Giesler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 12:56
CPC Classifications
B; B21; B21C; B21C37/00; B21C37/06; B21C37/15; B21C37/22; B21C37/24; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/49877
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1320430A
Cited
US1698210A
Cited
US1823532A
Cited
US1788474A
Cited
US1744074A
Cited
US1998552A
Cited
US2083943A
Cited
US2072847A
Cited
US2129120A
Cited
US2216778A
Cited
US2305064A
Cited
US2368403A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-06-29 | 1951-12-29 | 1952-06-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-06-29 | 1955-12-29 | 1956-06-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-06-29 | 1959-12-29 | 1960-06-29 | $7700.00 | Window Closed / Lapsed |