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Patent US3003227A successfully refreshed from Google Patents.
US3003227A
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Methods for fabricating gas manifolds
Assignee: Hupp Corp
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Filing: 1958-08-26
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Granted: 1961-10-10
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Expires: 1978-08-26
Abstract
No abstract record available.
Inventors
- 👤 William H Haag
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 13:30
CPC Classifications
B; B21; B21C; B21C37/00; B21C37/06; B21C37/15; B21C37/28; B21C37/29; B21C37/296; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49398; Y10T403/00; Y10T403/47; Y10T403/472
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1792928A
Cited
US1699279A
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US1906953A
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US2299143A
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US2529008A
Cited
GB651925A
Cited
US2896975A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-10-09 | 1965-04-10 | 1965-10-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-10-09 | 1969-04-10 | 1969-10-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-10-09 | 1973-04-10 | 1973-10-10 | $7700.00 | Window Closed / Lapsed |