US3257690A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mandrel
Assignee: BABBITT PIPE CO Inc
•
Filing: 1964-07-15
•
Granted: 1966-06-28
•
Expires: 1984-07-15
Abstract
No abstract record available.
Inventors
- 👤 Charles H Scott
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 19:22
CPC Classifications
B; B29; B29C; B29C49/00; B29C49/42; B29C49/44; B29C33/00; B29C33/44; B29C33/48; B29C33/50; B29C33/505; B29C63/00; B29C63/26; B29C63/28; B29C70/00; B29C70/04; B29C70/28; B29C70/40; B29C70/42; B29C70/44; B29C70/446; B29C43/00; B29C43/02; B29C43/10; B29C43/12; B29K; B29K2101/00; B29K2101/10; B29K2105/00; B29K2105/06; B29K2105/08; B29K2309/00; B29K2309/12; B29L; B29L2023/00; B29L2023/22; Y; Y10; Y10S; Y10S425/00; Y10S425/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US720718A
Cited
US1722697A
Cited
US2238825A
Cited
US2741007A
Cited
US2882582A
Cited
US2977658A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-06-27 | 1969-12-27 | 1970-06-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-06-27 | 1973-12-27 | 1974-06-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-06-27 | 1977-12-27 | 1978-06-28 | $7700.00 | Window Closed / Lapsed |