US3289631A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Coating roll
Assignee: Boston Machine Works Co
•
Filing: 1964-01-28
•
Granted: 1966-12-06
•
Expires: 1984-01-28
Abstract
No abstract record available.
Inventors
- 👤 Hubert J Vachon
- 👤 Frank H G Lester
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 09:18
CPC Classifications
A; A43; A43D; A43D25/00; A43D25/18; A43D25/181
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US916037A
Cited
US2465376A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-12-05 | 1970-06-06 | 1970-12-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-12-05 | 1974-06-06 | 1974-12-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-12-05 | 1978-06-06 | 1978-12-06 | $7700.00 | Window Closed / Lapsed |