US2439481A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pressure-sensitive adhesive sheet material
Assignee: Kendall Co
•
Filing: 1944-07-03
•
Granted: 1948-04-13
•
Expires: 1964-07-03
Abstract
No abstract record available.
Inventors
- 👤 John B Martin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:06
CPC Classifications
C; C09; C09J; C09J7/00; C09J7/20; C09J7/201; C09J7/22; C09J7/30; C09J7/38; C09J2423/00; Y; Y10; Y10T; Y10T428/00; Y10T428/28; Y10T428/2839; Y10T428/2852; Y10T428/2878
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2313703A
Cited
US2257167A
Cited
US2258434A
Cited
US2358761A
Cited
US2358831A
Cited
US2334585A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-04-13 | 1951-10-13 | 1952-04-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-04-13 | 1955-10-13 | 1956-04-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-04-13 | 1959-10-13 | 1960-04-13 | $7700.00 | Window Closed / Lapsed |