US2703188A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Drum door and clamping ring therefor
Assignee: CIE J A GOSSELIN
•
Filing: 1952-12-10
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Granted: 1955-03-01
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Expires: 1972-12-10
Abstract
No abstract record available.
Inventors
- 👤 Blanchette Hilaire
- 👤 Bolduc Viateur
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 23:55
CPC Classifications
A; A01; A01J; A01J15/00; A01J15/04; A01J15/08; Y; Y10; Y10T; Y10T292/00; Y10T292/20; Y10T292/205; Y10T292/212; Y10T292/216
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE289123C
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DE498619C
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GB190124776A
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US1179188A
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DE498789C
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US2279595A
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US2285728A
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US2301879A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-02-28 | 1958-08-30 | 1959-03-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-02-28 | 1962-08-30 | 1963-03-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-02-28 | 1966-08-30 | 1967-03-01 | $7700.00 | Window Closed / Lapsed |