US3442106A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for making wrought metal branch fittings
Assignee: Mueller Brass Co
•
Filing: 1966-09-12
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Granted: 1969-05-06
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Expires: 1986-09-12
Abstract
No abstract record available.
Inventors
- 👤 Robert A Gray Jr
- 👤 James F Shuler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 08:38
CPC Classifications
B; B21; B21C; B21C37/00; B21C37/06; B21C37/15; B21C37/28; B21C37/29; B21C37/294; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49428; Y10T29/49442
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-05-05 | 1972-11-04 | 1973-05-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-05-05 | 1976-11-04 | 1977-05-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-05-05 | 1980-11-04 | 1981-05-06 | $7700.00 | Window Closed / Lapsed |