US3005253A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Manufacture of heat exchange tubing
Assignee: General Electric Co
•
Filing: 1958-09-26
•
Granted: 1961-10-24
•
Expires: 1978-09-26
Abstract
No abstract record available.
Inventors
- 👤 Iii Herbert J Venables
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 18:04
CPC Classifications
B; B21; B21C; B21C37/00; B21C37/06; B21C37/15; B21C37/22; B21C37/26; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/4935; Y10T29/49377; Y10T29/49378; Y10T29/49382; Y10T29/51; Y10T29/5188
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US336899A
Cited
US1960517A
Cited
US1883222A
Cited
US2167971A
Cited
FR811081A
Cited
US2199594A
Cited
US2303760A
Cited
US2364736A
Cited
US2472245A
Cited
US2532239A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-10-23 | 1965-04-24 | 1965-10-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-10-23 | 1969-04-24 | 1969-10-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-10-23 | 1973-04-24 | 1973-10-24 | $7700.00 | Window Closed / Lapsed |