US3034209A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of making tapered tubular sections
Assignee: Individual
•
Filing: 1957-07-30
•
Granted: 1962-05-15
•
Expires: 1977-07-30
Abstract
No abstract record available.
Inventors
- 👤 Bianca Edoardo Giuseppe
- 👤 Diebold Karl
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 23:37
CPC Classifications
E; E04; E04H; E04H12/00; E04H12/02; E04H12/08; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49616; Y10T29/49623; Y10T29/49631; Y10T29/49826; Y10T29/49833; Y10T29/49908; Y10T29/49936
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US232360A
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US2214480A
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US2036771A
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US2042883A
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US2149918A
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US2663072A
Cited
US2912075A
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US2916181A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-05-14 | 1965-11-13 | 1966-05-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-05-14 | 1969-11-13 | 1970-05-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-05-14 | 1973-11-13 | 1974-05-15 | $7700.00 | Window Closed / Lapsed |