US2597877A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Web handling device
Assignee: Interchemical Corp
•
Filing: 1946-09-04
•
Granted: 1952-05-27
•
Expires: 1966-09-04
Abstract
No abstract record available.
Inventors
- 👤 Clair Willis E Le
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 05:30
CPC Classifications
B; B29; B29C; B29C55/00; B29C55/02; B29C55/04; B29C55/08; B29D; B29D7/00; Y; Y10; Y10S; Y10S264/00; Y10S264/73; Y10S425/00; Y10S425/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US236068A
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US478255A
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US1288643A
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US1891782A
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US2184744A
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US2066872A
Cited
US2398822A
Cited
US2348162A
Cited
US2434111A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-05-27 | 1955-11-26 | 1956-05-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-05-27 | 1959-11-26 | 1960-05-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-05-27 | 1963-11-26 | 1964-05-27 | $7700.00 | Window Closed / Lapsed |