US2440994A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Shingle finishing machine
Assignee: Individual
•
Filing: 1945-02-28
•
Granted: 1948-05-04
•
Expires: 1965-02-28
Abstract
No abstract record available.
Inventors
- 👤 Raymond A Wilde
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 19:59
CPC Classifications
B; B27; B27M; B27M3/00; B27M3/02; Y; Y10; Y10T; Y10T83/00; Y10T83/647; Y10T83/6492; Y10T83/6494
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US661552A
Cited
US1394014A
Cited
US1731452A
Cited
US1944631A
Cited
US2031385A
Cited
US2207782A
Cited
US2273653A
Cited
US2252112A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-05-04 | 1951-11-03 | 1952-05-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-05-04 | 1955-11-03 | 1956-05-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-05-04 | 1959-11-03 | 1960-05-04 | $7700.00 | Window Closed / Lapsed |