Patent US2959849A successfully refreshed from Google Patents.
US2959849A
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Method and apparatus for making pipe
Assignee: Intercole Bolling Corp
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Filing: 1956-09-14
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Granted: 1960-11-15
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Expires: 1976-09-14
Abstract
No abstract record available.
Inventors
- 👤 Norbert C Rubin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 16:53
CPC Classifications
B; B21; B21C; B21C37/00; B21C37/06; B21C37/08; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49789; Y10T29/49798; Y10T29/49826; Y10T29/49861; Y10T29/51; Y10T29/5185
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1313025A
Cited
US2024485A
Cited
US2051948A
Cited
US2265052A
Cited
US2277658A
Cited
US2698951A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-11-15 | 1964-05-16 | 1964-11-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-11-15 | 1968-05-16 | 1968-11-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-11-15 | 1972-05-16 | 1972-11-15 | $7700.00 | Window Closed / Lapsed |