US2902734A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Napkin fastening means
Assignee: Individual
•
Filing: 1957-08-06
•
Granted: 1959-09-08
•
Expires: 1977-08-06
Abstract
No abstract record available.
Inventors
- 👤 Bruce G Walters
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 14:29
CPC Classifications
A; A47; A47G; A47G11/00; A47G11/001; A47G11/002; A47G21/00; A47G21/16; A47G21/165; A47G2021/162; Y; Y10; Y10S; Y10S24/00; Y10S24/11; Y10T; Y10T24/00; Y10T24/13; Y10T24/1312; Y10T24/14; Y10T24/1402; Y10T24/20; Y10T24/207; Y10T428/00; Y10T428/14
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2009831A
Cited
US2400406A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-09-07 | 1963-03-09 | 1963-09-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-09-07 | 1967-03-09 | 1967-09-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-09-07 | 1971-03-09 | 1971-09-08 | $7700.00 | Window Closed / Lapsed |