Patent US5778384A successfully refreshed from Google Patents.
Patent US3734809A successfully refreshed from Google Patents.
US3734809A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Means for more conveniently peruse from a large sheet of paper
Assignee: Individual
•
Filing: 1971-08-26
•
Granted: 1973-05-22
•
Expires: 1991-08-26
Abstract
Abstract A means for more conveniently permitting the user to pressure information fro a large sheet paper such as an auto-map and incidentally fold it into closed position without crumpling or tearing the map. Also, as a new article of manufacture, a hand grip which will removably secure the opposite edges of the map.
Inventors
- 👤 R Ellis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 18:41
CPC Classifications
G; G09; G09B; G09B29/00; G09B29/10; Y; Y10; Y10T; Y10T428/00; Y10T428/24; Y10T428/24008; Y10T428/24273
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1976-05-21 | 1976-11-20 | 1977-05-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-05-21 | 1980-11-20 | 1981-05-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-05-21 | 1984-11-20 | 1985-05-22 | $7700.00 | Window Closed / Lapsed |