Patent US3367340A successfully refreshed from Google Patents.
US3367340A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Backing strip-stud component for flexible folders
Assignee: Individual
•
Filing: 1967-03-16
•
Granted: 1968-02-06
•
Expires: 1987-03-16
Abstract
No abstract record available.
Inventors
- 👤 Robert C David
- 👤 Gratz Herbert
- 👤 Robert H Miller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 08:50
CPC Classifications
B; B42; B42F; B42F13/00; B42F13/12; Y; Y10; Y10S; Y10S24/00; Y10S24/30; Y10S24/31; Y10S24/32; Y10S24/51; Y10T; Y10T24/00; Y10T24/42; Y10T24/45; Y10T24/45005; Y10T24/45099
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US281682A
Cited
US1117609A
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US2888055A
Cited
GB191327440A
Cited
US2136186A
Cited
FR812971A
Cited
US2486330A
Cited
US2727550A
Cited
US3159411A
Cited
US3167328A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-02-05 | 1971-08-07 | 1972-02-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-02-05 | 1975-08-07 | 1976-02-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-02-05 | 1979-08-07 | 1980-02-06 | $7700.00 | Window Closed / Lapsed |