US1976853A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Folding mechanism
Assignee: R Hoe and Co Inc
•
Filing: 1931-04-04
•
Granted: 1934-10-16
•
Expires: 1951-04-04
Abstract
No abstract record available.
Inventors
- 👤 Lundquist Arvid
- 👤 James D Spillane
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 07:23
CPC Classifications
B; B65; B65H; B65H45/00; B65H45/12; B65H45/16; B65H45/162; B65H45/166
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) | 1937-10-15 | 1938-04-16 | 1938-10-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1941-10-15 | 1942-04-16 | 1942-10-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1945-10-15 | 1946-04-16 | 1946-10-16 | $7700.00 | Window Closed / Lapsed |