US2886847A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Feeding device for calenders
Assignee: Armstrong World Industries Inc
•
Filing: 1955-11-09
•
Granted: 1959-05-19
•
Expires: 1975-11-09
Abstract
No abstract record available.
Inventors
- 👤 Benjamin F Herr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 02:22
CPC Classifications
B; B29; B29C; B29C43/00; B29C43/32; B29C43/34; D; D06; D06N; D06N7/00; D06N7/0005; D06N7/0039; D06N7/0057; B29C43/22; B29C43/24; B29K; B29K2105/00; B29K2105/25; B29K2105/251; Y; Y10; Y10S; Y10S425/00; Y10S425/235
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US586778A
Cited
US806625A
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US1603812A
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US2412658A
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US2593284A
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US2593282A
Cited
US2608939A
Cited
US2694831A
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US2756972A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-05-18 | 1962-11-17 | 1963-05-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-05-18 | 1966-11-17 | 1967-05-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-05-18 | 1970-11-17 | 1971-05-19 | $7700.00 | Window Closed / Lapsed |