US3118328A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for producing longitudinal
Assignee: —
•
Filing: —
•
Granted: 1964-01-21
•
Expires: 1981-01-21
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 14:04
CPC Classifications
B; B21; B21C; B21C37/00; B21C37/06; B21C37/15; B21C37/20; B21C37/202; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/4935; Y10T29/49377; Y10T29/49378; Y10T29/49384
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
53 words
A FIN-FORMING TOOL COMPRISING AN ELONGATED MANDREL OF GENERALLY CIRCULAR CROSS-SECTION, A PLURALITY OF CIRCUMFERENTIALLY SPACED AXIALLY EXTENDING ELONGATED MATERIAL GATHERING CHANNELS HAVING RADIALLY OUTWARDLY DIVERGING SIDE WALLS, SAID CHANNELS BEING OF DECREASING CROSS-SECTION FROM END TO END, AND FIN-RECEIVING GROOVES AT THE BOTTOMS OF SAID CHANNELS EXTENDING RADIALLY INWARDLY OF SAID MANDREL.
Claim 2
Dependent Claim
53 words
A FIN-FORMING TOOL COMPRISING AN ELONGATED MANDREL OF GENERALLY CIRCULAR CROSS-SECTION, A PLURALITY OF CIRCUMFERENTIALLY SPACED AXIALLY EXTENDING ELONGATED MATERIAL GATHERING CHANNELS HAVING RADIALLY OUTWARDLY DIVERGING SIDE WALLS, SAID CHANNELS BEING OF DECREASING CROSS-SECTION FROM END TO END, AND FIN-RECEIVING GROOVES AT THE BOTTOMS OF SAID CHANNELS EXTENDING RADIALLY INWARDLY OF SAID MANDREL.
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) | 1967-01-20 | 1967-07-22 | 1968-01-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-01-20 | 1971-07-22 | 1972-01-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-01-20 | 1975-07-22 | 1976-01-21 | $7700.00 | Window Closed / Lapsed |