US2945531A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for making a reinforced fiber glass tube
Assignee: White Sewing Machine Corp
•
Filing: 1958-01-08
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Granted: 1960-07-19
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Expires: 1978-01-08
Abstract
No abstract record available.
Inventors
- 👤 George A Balcom
- 👤 Arthur J Wiltshire
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 11:14
CPC Classifications
B; B29; B29C; B29C41/00; B29C41/02; B29C41/20; B29C70/00; B29C70/04; B29C70/28; B29C70/30; B29C70/32; B29C70/323; B29C70/326; B29D; B29D22/00; B29K; B29K2105/00; B29K2105/06; Y; Y10; Y10S; Y10S264/00; Y10S264/53
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2133019A
Cited
US2479350A
Cited
US2785442A
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US2783174A
Cited
US2749266A
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US2739917A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-07-19 | 1964-01-18 | 1964-07-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-07-19 | 1968-01-18 | 1968-07-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-07-19 | 1972-01-18 | 1972-07-19 | $7700.00 | Window Closed / Lapsed |