Patent US3407690A successfully refreshed from Google Patents.
US3407690A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of trimming and cutting in register
Assignee: Armstrong World Industries Inc
•
Filing: 1966-12-12
•
Granted: 1968-10-29
•
Expires: 1986-12-12
Abstract
No abstract record available.
Inventors
- 👤 Edward W Stanley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 19:12
CPC Classifications
B; B26; B26D; B26D11/00; B26D1/00; B26D5/00; B26D5/20; B26D5/30; B26D5/34; B26D2011/005; Y; Y10; Y10T; Y10T83/00; Y10T83/04; Y10T83/0524; Y10T83/0538; Y10T83/0548; Y10T83/0562; Y10T83/525; Y10T83/531; Y10T83/536; Y10T83/541; Y10T83/543; Y10T83/647; Y10T83/6476; Y10T83/6489; Y10T83/6491
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-10-29 | 1972-04-29 | 1972-10-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-10-29 | 1976-04-29 | 1976-10-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-10-29 | 1980-04-29 | 1980-10-29 | $7700.00 | Window Closed / Lapsed |