US2818644A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Wallboard measuring and cutting device
Assignee: Individual
•
Filing: 1955-04-15
•
Granted: 1958-01-07
•
Expires: 1975-04-15
Abstract
No abstract record available.
Inventors
- 👤 Claude T Crawford
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 16:43
CPC Classifications
B; B26; B26D; B26D1/00; B26D1/01; B26D1/04; B26D1/045; G; G01; G01B; G01B3/00; G01B3/20
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US41797A
Cited
US237554A
Cited
US486156A
Cited
US1629426A
Cited
US2090183A
Cited
US2294335A
Cited
US2325485A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-01-06 | 1961-07-08 | 1962-01-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-01-06 | 1965-07-08 | 1966-01-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-01-06 | 1969-07-08 | 1970-01-07 | $7700.00 | Window Closed / Lapsed |