US2653522A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Paper machine
Assignee: Beloit Iron Works Inc
•
Filing: 1947-09-10
•
Granted: 1953-09-29
•
Expires: 1967-09-10
Abstract
No abstract record available.
Inventors
- 👤 Hornbostel Lloyd
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 05:50
CPC Classifications
D; D21; D21F; D21F3/00; D21F3/02; D21F3/06; D21F3/04; Y; Y10; Y10S; Y10S162/00; Y10S162/07
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US608849A
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US471631A
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US2209757A
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GB499657A
Cited
US2251492A
Cited
US2281294A
Cited
US2386584A
Cited
US2390692A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-09-28 | 1957-03-30 | 1957-09-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-09-28 | 1961-03-30 | 1961-09-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-09-28 | 1965-03-30 | 1965-09-29 | $7700.00 | Window Closed / Lapsed |