US3036622A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process of bending metal by wave formation
Assignee: Individual
•
Filing: 1958-02-28
•
Granted: 1962-05-29
•
Expires: 1978-02-28
Abstract
No abstract record available.
Inventors
- 👤 Gifford L Hitz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 04:26
CPC Classifications
B; B21; B21D; B21D7/00; B21D7/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2327207A
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US1996838A
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DE570251C
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GB377142A
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US1956604A
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GB456403A
Cited
US2181384A
Cited
US2245407A
Cited
US2221417A
Cited
US2310091A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-05-28 | 1965-11-27 | 1966-05-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-05-28 | 1969-11-27 | 1970-05-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-05-28 | 1973-11-27 | 1974-05-29 | $7700.00 | Window Closed / Lapsed |