US3408705A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fastener articles
Assignee: 3M Co
•
Filing: 1966-07-07
•
Granted: 1968-11-05
•
Expires: 1986-07-07
Abstract
No abstract record available.
Inventors
- 👤 James H Kayser
- 👤 Jr William C Flanagan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 09:06
CPC Classifications
A; A44; A44B; A44B18/00; A44B18/0069; A44B18/0088; A44B18/0046; A44B18/0061; A44B18/0065; F; F16; F16B; F16B5/00; F16B5/07; Y; Y10; Y10T; Y10T24/00; Y10T24/27; Y10T24/2742; Y10T24/2792; Y10T428/00; Y10T428/23907; Y10T428/23943
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2499898A
Cited
DE815072C
Cited
US3031730A
Cited
US3101517A
Cited
US3191255A
Cited
US3266113A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-11-05 | 1972-05-06 | 1972-11-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-11-05 | 1976-05-06 | 1976-11-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-11-05 | 1980-05-06 | 1980-11-05 | $7700.00 | Window Closed / Lapsed |