US2821003A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Log binder release
Assignee: Individual
•
Filing: 1954-06-23
•
Granted: 1958-01-28
•
Expires: 1974-06-23
Abstract
No abstract record available.
Inventors
- 👤 Boyes Gordon
- 👤 Charles A Wilson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 05:40
CPC Classifications
F; F16; F16G; F16G11/00; F16G11/10; Y; Y10; Y10S; Y10S24/00; Y10S24/30; Y10S24/31; Y10S24/35; Y10T; Y10T24/00; Y10T24/45; Y10T24/45005; Y10T24/45115; Y10T24/45131; Y10T24/45225; Y10T24/45602; Y10T24/45675; Y10T24/45686
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US780192A
Cited
US854196A
Cited
DE339104C
Cited
US2320546A
Cited
GB582947A
Cited
US2473554A
Cited
US2515610A
Cited
US2687312A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-01-27 | 1961-07-29 | 1962-01-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-01-27 | 1965-07-29 | 1966-01-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-01-27 | 1969-07-29 | 1970-01-28 | $7700.00 | Window Closed / Lapsed |