US1930632A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Roofing cleat
Assignee: JOHN H SHAFFREY
•
Filing: 1931-06-04
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Granted: 1933-10-17
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Expires: 1951-06-04
Abstract
No abstract record available.
Inventors
- 👤 John A Topping
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 11:06
CPC Classifications
E; E04; E04D; E04D5/00; E04D5/14; E04D5/144; E04D5/146; E04D5/145
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1936-10-16 | 1937-04-17 | 1937-10-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1940-10-16 | 1941-04-17 | 1941-10-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1944-10-16 | 1945-04-17 | 1945-10-17 | $7700.00 | Window Closed / Lapsed |