US2839972A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for folding trailing flaps
Assignee: Individual
•
Filing: 1954-08-09
•
Granted: 1958-06-24
•
Expires: 1974-08-09
Abstract
No abstract record available.
Inventors
- 👤 Raymond A Labombarde
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 21:08
CPC Classifications
B; B31; B31B; B31B50/00; B31B50/26; B31B50/262; B31B50/52; B31B50/54
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) | 1961-06-23 | 1961-12-23 | 1962-06-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-06-23 | 1965-12-23 | 1966-06-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-06-23 | 1969-12-23 | 1970-06-24 | $7700.00 | Window Closed / Lapsed |