US2827007A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of making wrought fittings
Assignee: Nibco Inc
•
Filing: 1952-06-11
•
Granted: 1958-03-18
•
Expires: 1972-06-11
Abstract
No abstract record available.
Inventors
- 👤 Paul D Wurzburger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 22:16
CPC Classifications
B; B21; B21C; B21C37/00; B21C37/06; B21C37/15; B21C37/28; B21C37/29; B21C37/294
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US616764A
Cited
US2027285A
Cited
US2111695A
Cited
US2206741A
Cited
US2203868A
Cited
US2375599A
Cited
US2331430A
Cited
US2603175A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-03-17 | 1961-09-16 | 1962-03-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-03-17 | 1965-09-16 | 1966-03-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-03-17 | 1969-09-16 | 1970-03-18 | $7700.00 | Window Closed / Lapsed |