US1297047A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Means and method of uniting the margins of flexible materials.
Assignee: Individual
•
Filing: 1918-07-20
•
Granted: 1919-03-11
•
Expires: 1938-07-20
Abstract
No abstract record available.
Inventors
- 👤 John W Wallace
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 09:45
CPC Classifications
F; F16; F16L; F16L59/00; F16L59/02; F16L59/021; F16L59/024; Y; Y10; Y10T; Y10T24/00; Y10T24/44; Y10T24/44034; Y10T24/44043; Y10T24/4406
Claims Analysis
Total Claims: 0
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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) | 1922-03-10 | 1922-09-09 | 1923-03-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1926-03-10 | 1926-09-09 | 1927-03-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1930-03-10 | 1930-09-09 | 1931-03-11 | $7700.00 | Window Closed / Lapsed |