US3070211A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Shingle flipper
Assignee: Johns Manville Corp
•
Filing: 1959-08-17
•
Granted: 1962-12-25
•
Expires: 1979-08-17
Abstract
No abstract record available.
Inventors
- 👤 George H Williamson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 10:18
CPC Classifications
B; B65; B65B; B65B35/00; B65B35/56; B65B35/58
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1921393A
Cited
US2027043A
Cited
US2497874A
Cited
US2627883A
Cited
US2667259A
Cited
US2889941A
Cited
FR1182911A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-12-24 | 1966-06-25 | 1966-12-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-12-24 | 1970-06-25 | 1970-12-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-12-24 | 1974-06-25 | 1974-12-25 | $7700.00 | Window Closed / Lapsed |