US2701015A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Trimming device
Assignee: Armstrong World Industries Inc
•
Filing: 1948-06-29
•
Granted: 1955-02-01
•
Expires: 1968-06-29
Abstract
No abstract record available.
Inventors
- 👤 Winston W Gottschalk
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 21:06
CPC Classifications
B; B29; B29C; B29C37/00; B29C37/02; B29K; B29K2021/00; Y; Y10; Y10T; Y10T74/00; Y10T74/19; Y10T74/19642; Y10T74/1967; Y10T82/00; Y10T82/16; Y10T82/16426; Y10T82/16803; Y10T82/16967; Y10T82/16983
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2026459A
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US2251135A
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US2377384A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-01-31 | 1958-08-02 | 1959-02-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-01-31 | 1962-08-02 | 1963-02-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-01-31 | 1966-08-02 | 1967-02-01 | $7700.00 | Window Closed / Lapsed |