US2867927A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Protective covers for photographic transparencies
Assignee: Individual
•
Filing: 1954-06-07
•
Granted: 1959-01-13
•
Expires: 1974-06-07
Abstract
No abstract record available.
Inventors
- 👤 Schwartz Sol
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 16:08
CPC Classifications
G; G03; G03B; G03B21/00; G03B21/54; G03B21/64
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2432515A
Cited
US1464447A
Cited
DE677494C
Cited
US2268529A
Cited
US2271946A
Cited
US2291173A
Cited
US2490058A
Cited
US2496008A
Cited
US2587434A
Cited
US2598755A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-01-12 | 1962-07-14 | 1963-01-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-01-12 | 1966-07-14 | 1967-01-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-01-12 | 1970-07-14 | 1971-01-13 | $7700.00 | Window Closed / Lapsed |